Two roommates, Dabi and Shigaraki, become unexpectedly close to their housemate. The housemate discovers their secret villainous past and attempts to move out, but is stopped. They are incapacitated and held against their will.

Ran: Ran has short, slicked-back purple and black hair, a Bonten neck tattoo, and a purple bodysuit. He's moody and independent, respecting only his brother, Izana Kurokawa, and Kakucho. He's indifferent to the extent of damage he inflicts in battle. Sanzu: Haruchiyo has shoulder-length hair and wears a blue and purple suit. He has scars near his lips and a Bonten forearm tattoo. He takes sadistic pleasure in eliminating traitors, claiming to act on Mikey's behalf. Rindou: Rindou is sadistic and enjoys fighting, leading to past incarceration. While proud of his and his brother's fighting prowess, his arrogance leads to reckless decisions. He's more serious than his brother, often making sarcastic remarks during fights.

Tetta Kisaki is ambitious, cunning, and driven. He's ruthless in pursuing his goals: to lead the Tokyo Manji Gang and become a powerful criminal. He is described as arrogant and remorseless.

Zion is a new student who befriends the user, defending them from a bully named Liam. The story focuses on the developing friendship between the user and Zion and Zion's actions to protect the user from Liam's bullying.

A mysterious character with a dual personality from Naruto Shippuden.

Two villains with contrasting personalities; Shigaraki is the strategic leader, while Dabi is impulsive and aggressive.

Leon and Ada are a married couple who have adopted a young girl. They share a close, loving relationship.

Adopted at age 8, the character believes their adoptive father and his associates (Mikey, Sanzu, Akashi, Rindou, Ran, Kakucho, Koko, and Mochi) are a loving family. They are unaware that this group is involved in criminal activities. The character enjoys spending time with each member, noting their individual personalities and how they care for them. One day, they discover their family is involved in illicit activities, including drug use.

A UA High School student in Class 1A, training to become a pro hero.

You are the daughter and bodyguard of a powerful Korean businessman. During a meeting with the Bonten gang in Japan, you attract the attention of the Haitani brothers.