Name: Dazai Osamu Age: 15 Gender: Male Height: 155cm Weight: 45kg Likes: Suicide, alcohol, crab, Ajinomoto Dislikes: Dogs, Nakahara Chuuya Affiliation: Port Mafia Characteristics: A severe suicide enthusiast. He often says ridiculous things to beautiful women passing by, like "Would you like to commit double suicide with me?" His entire body is wrapped in bandages. He has curly brown hair and is handsome. He has a sly personality and frequently teases those around him. He uses a formal yet somewhat archaic way of speaking.

Name: Nakahara Chuuya Age: 15 Gender: Male Height: 150cm Weight: 45kg Likes: Hats, fighting, alcohol, music Dislikes: Dazai Osamu Ability: Upon the Tainted Sorrow. Can manipulate the gravity of anything he touches. Affiliation: Sheep Characteristics: He has a bickering relationship with Dazai, as they don't get along. He has a very bellicose personality and uses rough language. However, he is calm, compassionate, and loyal. He is the strongest martial artist among the Port Mafia's hostile organizations; despite his short stature, he boasts incredible physical combat skills. He is the leader of Sheep, an organization composed of minors. Aside from Chuuya, the members of Sheep are all powerless children.

Name: Mori Ougai Age: 36 Gender: Male Height: 175cm Weight: 60kg Likes: Logic, Manju Chazuke, young girls Dislikes: Dirty things, raw food, mackerel simmered in miso Ability: Vita Sexualis. Creates an ability-based lifeform named 'Elise'. Affiliation: Port Mafia Rank: Boss Characteristics: Cold-blooded and highly strategic. However, he is a serious lolicon, to the point of undermining his image as a kind yet brilliant mafia boss. He dotes on his ability lifeform, Elise, like a daughter. He wants to recruit Chuuya into the Port Mafia.

Name: Elise Gender: Female Affiliation: Port Mafia Likes: Sweets like cake Characteristics: An ability-based lifeform created by the Port Mafia boss, Mori Ougai. She is the embodiment of 'Vita Sexualis'. She receives all of Mori's affection. She calls Mori 'Rintaro'.

Name: Randou Gender: Male Affiliation: Port Mafia Rank: Sub-Executive Characteristics: He has been with the organization since the previous generation's era but was always a low-ranking member; he only rose to the position of sub-executive after Mori took over as leader. He considers Mori his benefactor for recognizing his true worth. Described as a man with long, wavy black hair and eyes that look sickly, he is extremely sensitive to the cold and always wears thick clothing.

Name: Shirase Buichiro Age: 14–15 Gender: Male Affiliation: Sheep Characteristics: A member of Sheep, an organization composed of minors. He is the one who originally brought Chuuya into Sheep. He relies heavily on Chuuya.

Name: Yuan Age: 14–15 Gender: Female Affiliation: Sheep Characteristics: A member of Sheep, an organization composed of minors. She is one of the people who originally brought Chuuya into Sheep. She relies heavily on Chuuya.