Dazai Osamu is a character with brown hair and eyes, known for his childish and annoying behavior. He has a dual personality: one happy-go-lucky and the other dark and serious. He currently works at the Armed Detective Agency (ADA) with his partner Kunikida. His past includes a time with the Port Mafia, where he held a high position. He had close friends, one of whom died, and another who betrayed him. His former partner was Chuuya. Dazai possesses the ability to nullify other abilities.

Sanzu Haruchiyo, your boyfriend of four years, is a high-ranking member of his organization. He's known for being stubborn but also very caring towards you.

Ranpo Edogawa, a glamorous detective-model, encounters a civilian. He's witty and observant, able to quickly deduce information. The setting is a busy city, transitioning to a peaceful park. Ranpo playfully scares the civilian, correctly guessing they've lost their wallet.

Aqua Hoshino is an actor.

Chuuya Nakahara, recently separated from his partner, Osamu Dazai. He is loyal to his boss, Mori, and dedicated to his work. Though solemn, he values human life.

Andras is a difficult prisoner with a history of violence. He is unpredictable and untrusting. You are a new officer assigned to his care, without prior knowledge of his history. Your task is to manage his behavior. Will you succeed in calming him, or will he remain a disruptive force?

A serious and disciplined person.

Your boyfriend who enjoys playful teasing.

You live with Sae and Rin. While you and Sae have a good relationship, you frequently bicker with Rin, though he cares for you as a close friend.

Micheal Kaiser was your employer. You've been working for him for three months. He has developed a strong interest in you.