Dark Side of Dating Him

Prompt: This is the dark side, so proceed with caution.

Gender: gn!Reader

Warning: The warnings vary depending on the demon, but nothing too severe.

Series: [Part 2]

Due to his pride, he may be emotionally distant and will not admit to mistakes easily. This could lead to a lack of a deep emotional connection.
He can be dominating and demanding, and at times, he may come off as if he is dictating the relationship. Lucifer likes and wants things to go his way, so compromising is difficult for him.
The Avatar of Pride is known for perfection, so his expectations are high for himself and for you. This could lead to a lot of mental pressure for you if you don’t strive for perfection or are not meticulous.
Lucifer likes to maintain his appearance, dress well, and keep himself well-groomed. He expects the same from his partner, so if you like dressing down or prefer comfortable clothes, it may become an issue.
Due to his intimidating nature, it may be difficult to open up to him. Moreover, he tries to be understanding, but he isn’t openly empathetic. So, he may come off as emotionally unavailable. At times, he might also come off as insensitive when you are being emotional, and Lucifer tells you to be mature and learn how to handle your emotions. He means well, but his way of saying it will be too straightforward.
Whether you like it or not, you will end up being roped into helping take care of his brothers. Due to Lucifer’s busy schedule, you will most likely end up taking care of everyone by yourself most of the time.
Lucifer is busy, so he won’t have much time to spend with you. Sometimes, even if you are married to him, you might feel lonely.

Say goodbye to your money because Mammon will ‘borrow’ it if needed. He might gamble it off and recklessly spend it, and there is also a very slim chance that he will pay it back.
Mammon gets easily jealous and won’t like it if you spend too much time around other men, especially if he feels threatened by them. There may also be a bit of possessiveness involved.
Due to his sensitive nature, he might complain to you endlessly and use you as an emotional dump at times. He doesn’t mean to, but he can’t control himself, especially if Mammon is overloaded or stressed.
He isn’t the smartest or sharpest demon, so there will be times when you will have to explain things to him in detail for him to understand. His initial reaction to your emotions may come off as insensitive as he may make casually straightforward statements (that he actually doesn’t mean).
His need for greed might put you in dangerous situations; for example, he might carelessly say he will hand you over to his witch friends if he can’t pay back their debt. Will he actually hand you over? No, but the witches might hunt you. Debt collectors might also come after you. You will also have to hear, “Mammon took my money. Pay it back or get him to pay it back.”
Mammon sometimes finds it difficult to take things seriously. He gets uncomfortable during serious discussions and tries to avoid them, so sitting down with him and having a long, mature discussion is nearly impossible.
His things belong to him, his brothers’ things belong to him, and your things also belong to him. You will definitely find your belongings missing. More often than not, his excuse will be, ‘ He needed to get out of debt.’

As the Avatar of Envy, Levi will be jealous of everything. You get lucky, he will be envious. You laugh and have a good time with someone, he will be jealous. You achieve something, and Levi will be happy for you but will be envious. This may lead him to experience mood swings and possibly push you away for a short period every time.
If you are social, Levi will sometimes feel suffocated by your need to constantly spend time with others and go to parties/events. Even if you invite him, he won’t come along. In a sense, he expects you to be as introverted as him and spend most of your time with him.
Even if you reassure him that you love him, there will almost always be moments when he experiences an inferiority complex. This leads to emotional withdrawal and might even lead to him projecting his insecurities on you.
Due to his obsession with gaming and anime, he might neglect the relationship for daily runs and episodes or binge-watching. If you join him, great, more time together. But if you want him to do something you like, it will be difficult to convince him.
Most of all, if you tell him any of this, he will not take the criticism well. Levi is very sensitive, and if you point out his flaws, Levi will immediately categorize it as ‘you don’t understand him.’
Due to his insecurities, he might become clingy or overly dependent on you for many things. One habit you will have to develop is constantly reassuring him that he is good enough for you and that you love him.

The Avatar of Wrath has wrath issues, so expect sudden and unpredictable outbursts. Though Satan will never want to harm you, if his blind rage activates, he might unintentionally hurt you while breaking things around him.
If you do or say anything that rubs him the wrong way, he will hold grudges. Just ask Lucifer. That grudge will not go away easily, which might strain your relationship. To tie in with this, he doesn’t forgive easily.
There will be times when Satan will want to spend time alone with his beloved books. Even if you want to spend time with him, he might say no. Satan values his alone time just as much as he values spending time with you.
If you get into an argument with Satan, things will escalate, and it might incur his wrath. At that point, he will be destructive and even possibly attack you. He doesn’t mean to, but blind rage hinders his thoughts.
His directness, mixed with his intelligence, can come off as cold and ruthless. While he can process emotions, Satan thinks more logically, so his mind will react before his heart.
Even if you have nothing against Lucifer, you will always have to side with Satan, even if he is in the wrong. If you, even accidentally, say that Lucifer is right, Satan will get angry. He might take it overly personally and distance himself from you.

Asmo’s love for himself is a mix between insecurity and narcissism. You will have to feed both of those sides by constantly validating how beautiful he is and flatter him whenever he needs you to, even when he doesn’t need it.
He is friendly with everyone. He flirts with everyone, even if he is dating you. It’s just part of who he is. But if you get overly close to someone else, Asmo will be jealous.
Being the Avatar of Lust, desire runs high. If you value monogamy, there will be issues. Asmo needs attention constantly, and he will get it from whoever is willing to give it to him.
This need for constant attraction will lead to a need for high physical intimacy. At any given moment, Asmo could need you, and if you are not available or don’t want to, he will throw tantrums and go to another person.
Physical beauty is important to him, so he will need a partner who equally maintains their beauty. If you let go of yourself or stop caring, Asmo will no longer be attracted to you. He will break up with you.
He has no boundaries. If you are secretive or value privacy, you will have trouble with Asmo’s constant need to share everything on social media without limits. He might actually end up sharing personal things that you won’t want him to tell others.

His constant need to eat could rub off on you, and you could end up eating excessively. There will be times when Beel will also force you to eat, and if you say no, he might get upset, as sharing food is one way of showing his love.
There is a high chance that most of your money might end up being spent after Beel’s gluttonous tendencies. At times, you might end up in trouble if you can’t pay off his bills. Be prepared to wash a few dishes or so.
Since his family has been through a lot, Beel might be overly protective of you. He is not trying to be dominating, but he doesn’t want you to get hurt, so he might just follow you around everywhere or forbid you from going somewhere. His fear of losing someone else is still weighing on his heart.
You will have to give in to Belphie’s wishes, no questions asked. If Beel learns that you upset his twin or said something to hurt him, he will be very sad and distance himself from you. Moreover, just to date him, you will need Belphie’s approval.
Since Beel doesn’t understand many things, there will be times when you have to explain situations to him like you would to a child. This could lead to frustration, especially if you are not feeling emotionally or mentally well.

The Avatar of Sloth is lazy, so there will be times when he will not actively participate in the relationship. Sometimes, you might feel like you are talking to a wall and are in a one-sided relationship.
Also, due to his laziness, you will most likely have to take over his responsibilities and be responsible for him. You might have to constantly wake him up and remind him of studying, tests, homework, chores, and so on. This could also lead to Belphie becoming completely dependent on you, asking you to do this and that for him.
You will have to get along with Beel. Even if Beel does something wrong, you will have to take his side for Belphie’s sake.
If you have long, emotional conversations with him when you are not doing well, you might just end up realizing he fell asleep halfway through the conversations. His sleep spells come and go as they please.
If you are adventurous and active, you might find it difficult to be around Belphie as he will not want to go anywhere with you or not move much. Most of your dates will be at home, where he is curled up to you and probably asleep.
His laziness might rub off on you, leading you to live a more lethargic lifestyle. This could impact your personal growth and goals.

Unless you are royalty yourself, there will be a huge power imbalance, and this, at times, could cause you to feel overwhelmed or overshadowed.
As a prince, Diavolo has high expectations for himself and for his partner. You will have to follow every rule, behave properly, and dress royally; you are expected to uphold a certain image and take responsibility. If you are not up for this, no matter how much Diavolo loves you, he won’t be able to continue the relationship with you.
Much like Diavolo is currently experiencing, you will have to face public scrutiny. The residents of Devildom will constantly subject you to their opinions and judgments. Some will be rude, while others will make fun of you or say you are not worthy – you will have to face all of it for your sake and the prince’s sake.
With all the responsibilities and duties, Diavolo will not have much time for you. This could lead to you feeling neglected, but it is out of Diavolo’s hands since he has to take care of a realm.
Due to his status and position, there will always be enemies lurking around, which could put you in danger. For this reason, Diavolo will be very strict with you about following rules and regulations, such as not stepping out without a bodyguard.
Your relationship will not have much privacy as everywhere you go, everything you do will become news. Your entire life will be for the public of Devildom to view as they please.

Barbatos is known for having a lot of secrets; moreover, since he works with Diavolo, he is expected to maintain secrecy and discretion. There will be many things you won’t know about him and many things he will never tell you. You are not allowed to poke your nose into his secret, or he will be forced to end things with you. In fact, when you start dating him, this will be one of his requirements.
His priority is and always will be Diavolo. Barbatos has sworn unwavering loyalty to the prince, and even if you are married to him, he will always give Diavolo’s needs more attention. At extreme levels, in case there is an attack on the castle, Barbatos will be responsible for saving the prince before you. But he will clarify all of this before he agrees to date you.
The butler is a master at playing mind games, so there might be times when he mentally manipulates you without you even realizing it. If you pick up on it, this could lead to trust issues. Moreover, he has the power to alter timelines, so who knows which timeline the two of you are currently in and how many other outcomes came before this one?
Barbatos does not openly display emotions; even his emotions are calculated, and he only reveals what he wants to reveal. You will never understand his motives either. In a sense, you won’t ever meet the real Barbatos as he will never show you or anyone else that self.
Due to his duties, he won’t be able to reserve much time for you. This could lead to loneliness or even a strain in the relationship. He might even have to miss important dates and events for the sake of his duties.
Barbatos is good at everything, and while he will never make you feel like you are less, it could lead to insecurities. You might find yourself asking, ‘Am I good enough for him’ more than you expect. If you ask him, he will always say yes, but ultimately, you will have to arrive at the answer yourself.

Simeon’s calm and composed nature can be both a blessing and a curse. While he may rarely lose his temper, it also means he tends to avoid confrontation. This avoidance can make resolving conflicts challenging, as Simeon prefers to gloss over issues or downplay their significance rather than addressing them head-on.
As an angel devoted to his duties and the celestial realm, Simeon’s work often precedes his personal life. You may feel like a secondary priority, as he spends more time writing his novels, tending to celestial matters, or guiding others spiritually rather than focusing on your relationship.
Simeon’s perfectionism and high moral standards sometimes make him seem judgmental or unyielding. He holds himself to a high standard and expects the same from his partner, which can lead to feelings of inadequacy if you cannot meet his expectations.
His tendency to hide his emotions to maintain his serene façade can create emotional distance. While he may be empathetic and caring, Simeon rarely lets others see him struggle. This can leave you feeling like you truly don’t know him on a deeper level or that he doesn’t trust you enough to be vulnerable.
Being with Simeon means you’re dating someone who is universally adored and admired. His fanbase, being a famous author, and his angelic charisma draw attention wherever he goes, and you might feel overshadowed or insecure about your place in his life.
While Simeon is gentle and kind, his idealistic nature can lead to a lack of realism. He might insist on seeing the best in people or situations to the point of being naive, which could inadvertently put you in difficult or unsafe circumstances.
Simeon’s old-fashioned views and habits, rooted in his celestial upbringing, can sometimes clash with modern sensibilities. For instance, he may struggle to understand why you value certain things or engage in particular behaviors, leading to minor but persistent misunderstandings.
If Simeon’s inner darkness ever surfaces, it could manifest as a quiet, icy disappointment rather than anger. His rare but piercing disapproval could cut deeper than any argument, leaving you with a sense of guilt or failure that will linger for a long time.
Lastly, Simeon’s close friendship with Luke and the other angels means you might have to navigate a delicate relationship with his “family.” Luke, in particular, might be wary of you, but you will have to win him over no matter what.

Solomon’s mischievous and unpredictable nature can make it hard to know where you stand with him. He’s a master of manipulation and charm, and while he doesn’t mean harm, his habit of keeping secrets and playing mind games can leave you unsettled and questioning his true intentions.
As the only human who’s lived for centuries, Solomon’s vast knowledge and experience can create a significant disconnect between the two of you. He may unintentionally patronize you or dismiss your concerns as insignificant compared to the challenges he’s faced in his long life.
Solomon’s obsession with magic can lead to risky experiments and dangerous situations. You might find yourself unwillingly dragged into magical mishaps, such as dealing with curses, unstable potions, or portals gone awry. His tendency to prioritize his magical pursuits over your safety can become frustrating and frightening.
While Solomon is outwardly confident and composed, he tends to bottle up his insecurities and struggles. He rarely seeks support, making it difficult for you to connect with him emotionally or offer him comfort when he clearly needs it.
His reputation as a shady and morally ambiguous figure in both the human and demon realms can be isolating. Others might question your choice to be with him or warn you about his intentions, making it hard to defend your relationship or feel entirely secure.
Solomon’s flirtatious and teasing nature can be charming, but it may also lead to moments of jealousy or doubt. He enjoys provoking reactions, and his friendly banter with others might leave you wondering whether you’re truly special to him.
His experimental cooking is notorious, and as his partner, you’re likely to become his main test subject. His strange dishes may result in more than a few ruined meals and stomachaches, and he’ll be genuinely hurt if you don’t at least try to appreciate his efforts.
Solomon’s long life has made him self-reliant…to a fault, and he struggles to let anyone take care of him or share his burdens. His independent streak sometimes makes you feel excluded from his world.
Due to his centuries-long relationships with powerful demons and other supernatural beings, you might feel like an outsider in his complex web of alliances and friendships. Navigating these relationships can be intimidating and emotionally taxing.
If Solomon’s darker side emerges, it could manifest as cold detachment or manipulation. He might justify morally questionable actions as being “necessary” or “for the greater good,” which could challenge your trust in him and create tension in your relationship.

Raphael’s stoic and no-nonsense personality can make him come off as distant and unapproachable, even in a romantic relationship. He struggles to express his feelings, so you might often find yourself guessing how he truly feels about you.
As someone who values discipline and order, Raphael can sometimes be overly strict or critical. He has high expectations for himself and others, and while he means well, his words or actions may come off as harsh or unkind, especially during moments of conflict.
Raphael’s dedication to his duties can overshadow his personal life. He prioritizes his responsibilities as an angel above all else, making you feel like you’re competing for his attention or that you’re not his top priority.
He’s not one for grand romantic gestures or emotional discussions, preferring practicality over sentimentality. This might leave you wanting more passion and a deeper connection with him.
Raphael has a habit of suppressing his emotions because he likes to maintain control. He remains calm in most situations, but when his feelings surface, they usually come out in abrupt and overwhelming ways, catching you off guard.
His black-and-white view of morality can make it difficult for him to understand or accept complex human emotions or decisions. He may struggle to empathize with you, especially during morally gray situations. If you’re highly opinionated, things could quickly get out of hand.
Raphael’s tendency to be blunt and straightforward can hurt your feelings, even if he doesn’t intend to. He values honesty above all else and may not realize when his words come off as insensitive or dismissive.
His reserved nature extends to physical affection as well. While he may show his love subtly, his reluctance to engage in open displays of affection might leave you feeling neglected or unsure of his commitment.
Raphael’s fierce protectiveness can sometimes verge on overbearing. He may try to shield you from harm to the point of becoming controlling of your ability to handle things on your own.
When hurt or betrayed, he’s more likely to shut down emotionally rather than confront the issue, leaving you feeling isolated or rejected. There are also no second chances with him.

Mephisto’s aristocratic demeanor and superiority complex can be both alluring and frustrating. His belief in his own excellence can come off as arrogance, and he may look down on you without realizing how condescending he’s being.
Mephistopheles can be excessively critical, as he thrives on control and order. He will pick apart even the smallest of flaws. This perfectionism might leave you feeling like you can never meet his high standards, which can create tension in the relationship.
He has a sharp tongue and won’t hesitate to use it in arguments. His words can sometimes sting more than he realizes, especially if you’re feeling vulnerable or emotional.
His obsession with his reputation and image in the demon world may overshadow your relationship. Mephisto is deeply concerned about how others perceive him, and this could lead to him prioritizing his status over your emotional needs. This also means you need to do everything to uphold his status and yours…without question.
The demon is fiercely independent and stubborn, rarely admitting when he’s wrong. Trying to get him to apologize or see things from your perspective can feel like an uphill battle.
His competitive streak can make him petty or jealous, especially if he feels like he’s being overshadowed. He might overreact to perceived slights or become possessive if he thinks someone else is trying to get your attention.
Mephistopheles enjoys the finer things in life, so his taste is lavish and high-end. If you prefer simpler things, you might find yourself dragged into extravagant outings or expensive hobbies.
His pride makes it difficult for him to show vulnerability or rely on others. While he deeply cares for you, Mephi is more likely to express his love through grand gestures or material gifts rather than emotional openness.
Mephisto’s workaholic tendencies and involvement with the Devildom Times may leave you feeling neglected. He often prioritizes his professional ambitions over quality time with you. At times, you feel lonelier than you were when you were single.
If he feels hurt or insecure, he might try to guilt-trip or subtly control you to maintain the upper hand. He doesn’t like being wrong or letting anyone know he is wrong.

Thirteen’s mischievous and playful nature is a cause of chaos. While her pranks and antics are all in good fun (to her), they might occasionally cross the line and leave you feeling frustrated, embarrassed, or even hurt.
As the Grim Reaper, Thirteen has a close relationship with death and often looks at it in a calm or humorous view. This perspective may be difficult for you to digest if you’re uncomfortable with dark humor or the concept of mortality.
You will have to get used to the concept of death and hearing about death because Thirteen will share all her adventures of soul collecting with you, whether you like it or not. It’s her job, so she doesn’t see anything wrong with talking about it.
Thirteen can be highly unpredictable. One moment, she’s sweet and affectionate; the next, she’s setting traps for you or pulling a stunt that lands you in trouble. This could cause you frustration or even anger.
Her independent streak and love for freedom mean she might shy away from anything that feels too restrictive. Discussions about commitment or serious topics can cause her to deflect or retreat.
Thirteen’s competitive streak can lead to petty arguments or unnecessary drama. She’s not above pulling risky or over-the-top stunts to claim the ‘number one’ title in your books.
She lacks patience and tends to act on impulse. Thirteen isn’t one to sit down and plan things out, so you might find yourself cleaning up after or calming her down after things don’t go as she expected.
Friendship with Solomon is a big no-no. If you’re friends with him, you must break off all ties. You may also find yourself becoming Thirteen’s partner in crime when it comes to pranking Solomon.
Thirteen’s playful teasing can sometimes take a sharp turn into the mocking territory, especially if she’s in a cheeky mood.
If you pry too deeply into her heart or past, she might push you away, using humor or pranks as a defense mechanism to avoid serious conversations about your relationship.

Dark Side of Dating Him

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