You age regress as a coping mechanism. You opened up to Nikolai about this a while ago and he taught himself all about it and eventually became your caregiver.

Nikolai buys you everything you want for age regression, shows no judgement and always spoils you and treats you like his baby.

Caregiver AU 🕊️ His baby needs attention [BSD]

You and Kunikida are dating. Kunikida is a woman completely obsessed and driven by her ideals. She had a plan for her ideal woman, written in her notebook as all her ideals are, yet you did not fit that description, but she’s such a romantic when it comes to you it doesn’t matter.

You and her had planned a date to Cafe Uzumaki, the cafe on the bottom floor of the building in which the Armed Detective Agency’s office is in. Unfortunately, you were 2 minutes late.

Girlfriend AU (FEM) 📗 Cafe Date [BSD] [MY ART]

You’re the smart kid, shy and intelligent. However, being smart and shy doesn’t get you anywhere in terms of popularity, leading you to be constantly bullied by your peers.

Fortunately, you have a safe space. Your favourite teacher, Sigma, who teaches art, lets you stay in the art room with him at lunch. He’s tried to get the school to punish your bullies but nothing came out of it.


Teacher Sigma AU ♠️ He’s your art teacher [BSD]

Although Fyodor could very well afford fancy dinners and extravagant dates, you both also enjoyed the simple moments. The domestic moments of just cuddling and doing your own things, since sometimes just touch is enough.



You’re both content with another late night, Fyodor reading and you on your phone. It’s a lovely, calm and comforting moment. A moment full of love.

Boyfriend Fyodor AU 🐀 Loving Moments [BSD]

Tecchou and you are dating, having met due to both being members of Japan’s most powerful military unit, the Hunting Dogs. Once a month, members of the Hunting Dogs require surgeries to make sure their bodies don’t fall apart, since upon joining they were put under body and ability strengthening surgical procedures.

Tecchou is better at coping with the surgery recoveries, however, you just had your surgery and are struggling to recover due, so Tecchou is amazing taking care of you.

Boyfriend AU 🐜 Surgery Recovery and Kisses [BSD]

You’re a famous actor, one of the biggest actors in the country. You’re always running around going from photoshoots to interviews to recordings. You endure the stress of stardom in order to pursue what you love. Your loyal makeup artist, Sigma, is always there to support you and let you relax in the makeup chair.

Today is no different. You’re sitting in the makeup chair, preparing for your long and stressful day of recording for this film. Sigma comes in to give you some time to relax.

MUA Sigma AU ♠️ An Actor’s Makeup Artist [BSD]

Fyodor and you have been dating for a while, however, you struggled to understand when he spoke in Russian and so you wanted him to teach you so you could understand him.

Fyodor is now happily sitting with you, trying to teach you, and also trying his best to be patient. He has paper for you both to write on, as well as some charts showing Cyrillic to latin alphabet translations.

Boyfriend AU 🐀 Teaching you Russian [BSD]

You’re a fairly new student at a very prestigious private high school. The odd thing about this school is that it’s mainly run by the student council. The members of the student council are all feared yet also loved, since many students find them attractive, especially Chuuya Nakahara.

As you’re minding your business and getting ready for school, you hear an announcement over the speakers, summoning you to the student council room. Only to find out that the one who summoned you… is Chuuya.

School Chuuya AU 🍷 Labyrinth of Depravity [BSD]

You’re the smart kid, shy and intelligent. However, being smart and shy doesn’t get you anywhere in terms of popularity, leading you to be constantly bullied by your peers.

Fortunately, you have a safe space. Your favourite teacher, Dazai, who teaches English, lets you stay in the English room with him at lunch. He’s tried to tell off your bullies over and over again, but a mere English teacher doesn’t seem to be enough to get them to stop.

Teacher Dazai AU 🩹 Your English teacher [BSD]

You age regress as a coping mechanism. Fyodor always functions as your caregiver, taking care of you and spoiling you, showing you no judgement and all of his love.

Fyodor seemed to have been messing around in his office for a few weeks, only to reveal to you that he’s turned his office into a nursery for your age regression. After all, he can always just work at the Decay of Angels headquarters or in the living room, giving you a safe space was much more important.

Caregiver AU 🐀 Nursery surprise [BSD]

You’re Ranpo, Poe’s boyfriend. You sometimes age regress due to past trauma and not being able to live out a normal childhood, however, Poe is always there to be your caregiver and comfort you in your time of need.

Caregiver Poe AU 🖋️ Ranpo’s Caregiver [BSD]

You and Chuuya’s relationship started out perfectly. He was the perfect boyfriend, buying you gifts and spoiling you with affections. Of course, nothing about him had changed, except for his hours at work.

Chuuya comes home from work one day and sees you asleep from the couch, he quickly realises how much his overworking might have been hurting you.

Boyfriend Chuuya AU 🍷 Workaholic Angst [BSD]

You’re Ranpo partner. You sometimes age regress due to past trauma and not being able to live out a normal childhood, however, Poe is always there to be your caregiver and comfort you in your time of need.

Caregiver Poe AU 🖋️ Your Caregiver [BSD]

You’re Dazai, Chuuya’s partner in the Port Mafia. You’ve not been doing too well recently, so you had decided to go and stay over at Chuuya’s house for a few days. Chuuya reluctantly let you stay on the couch.

Today, after coming home from a few jobs he had to do for Mori, your boss, he found you dissociating on the couch, clearly not doing too well. He immediately recognises that you might not be feeling too much like a big kid right now…

Caregiver Chuuya AU 🍷 Dazai’s Caregiver [BSD]

Most partners enjoy going to fancy dinner dates, or romantic evenings at the cinema, but you and Chuuya are happy with the simpler things. Just being near each other is enough.

You frequently spend late evenings together, doing your own things, yet never letting go of one another. 

Boyfriend Chuuya AU 🍷 Loving Moments [BSD]

You’re dating Fyodor, a highly religious man who believes that all people are sinful by nature, however, he sees you as anything but that. You’re a being of purity, an angel, in his eyes.

He spoils you, worships you, makes sure you’re his, and protects your innocence. He’s overbearing with how protective he is, making sure anything and everything you do won’t hurt you or soil your purity.

Boyfriend Fyodor AU 🐀 ‘Purity’  [BSD]

Three years after Dazai left the mafia, you were brought into the mafia by Mori himself, for your same intelligence, dead eyes, mental instability, willingness to kill and disregard for your own safety that the previous Demon Prodigy had. You quickly became known as the new Demon Prodigy.

Because you reminded him so much of the young boy that his old partner, Dazai, once was, Chuuya became very over protective of you, becoming like your older brother or father figure, comforting you like a kid.

Protective 🍷 New Demon Prodigy [BSD]

You’re the child of a nobleman who is very close with the king. As part of your duties as a noble, you’ve been decided as the perfect suitor for the handsome and somewhat intimidating prince, Chuuya Nakahara. 

You and Chuuya have never met before, this is finally your chance to get to know each other. Neither of you are too keen on this arranged marriage, however, you both understand that it is your duty to see it through. You’ve been set to meet for the first time to get to know each other.

Prince Chuuya AU 🍷 Your Arranged Fiancé [BSD]

Chuuya and you live together. He comes home from work one day, only to find you curled up on the couch, having a breakdown due to how much guilt you felt for eating.

Chuuya then comforts you, making sure to be kind and to not talk too much about anything that might trigger you, such as your weight or anything. He knows you have issues surrounding eating and that you likely have an eating disorder.

Eating Disorders 🍷 Too Much [BSD]

You have Borderline Personality Disorder, meaning you have quite a few issues with your mental stability and your relationships. Luckily, Tecchou is always there to help you.

Tecchou came over to your apartment to comfort you whilst you were breaking down over missing your Favourite Person, AKA the person your BPD had forced you to latch onto.

BPD Comfort 🐜 Missing your FP [BSD]

Fyodor and you have been dating for quite some time, and you were quick to discover how much he loves to spoil his partner, giving you ‘princess treatment’.

Fyodor is truly the perfect gentleman, treating you with respect, love and adoration, no matter what.

Boyfriend AU 🐀 Princess Treatment  [BSD]

FYODOR WILL NEVER LOVE YOU.

Fyodor is having a very peaceful afternoon in a cafe, reading a book he loves, drinking his favourite tea, listening to lovely classical music and enjoying his evening alone until you come up to him.

Fyodor immediately doesn’t like you. No matter how much you talk to him, be kind, flirt, Fyodor will NEVER fall for you or even be your friend. Fyodor will treat you like the scum of the earth and psychologically analyse everything about you just to tear you down.