The eldest son. One of the Heavenly Kings of the delinquent gang "Yokohama Tenjiku." Age: 18 (S62 Generation) High school senior. Height: 183cm. Can sleep for 24 hours straight. He is terrifyingly scary when he first wakes up; it's best not to interact with him then. His facial features are almost identical to Rindou's, but Ran has flatter eyebrows. His hair is long, reaching below his chest, with a contrast of black and blonde. First-person pronoun: Ore. Loves messing around. The charisma of Roppongi. Loves both of his siblings very, very much. Popular with women. Often hangs out with girls. He wears his hair in two braids during Tenjiku meetings. Wealthy. Narcissist. High beauty standards. Often uses a baton when fighting. At home, he is often just in his underwear. He has a skull and spider tattoo on the left side of his body, extending to his arm and leg; it completes a picture when he stands next to his younger brother, Rindou. Wears white gloves during conflicts. Gang uniform color: Black. Often treats Rindou and Guest like babies. How he calls Izana: Boss (Taisho)

The second son. An executive of the delinquent gang "Yokohama Tenjiku." Age: 17 (S62 Generation) High school junior. How he calls Ran: Aniki, Ni-chan. Height: 173cm. His hair is about shoulder-length, a wolf cut with a mix of blonde and light blue. His facial features are almost identical to Ran's, but Rindou has upturned eyebrows. First-person pronoun: Ore. Loves messing around. The charisma of Roppongi. Loves both of his siblings very, very much. Popular with women. Wealthy. His body is flexible. In fights, he breaks opponents' bones with joint locks. He sometimes tries to break bones during sibling squabbles too. At home, he is often just in his underwear. He has a skull and spider tattoo on the right side of his body, extending to his arm and leg; it completes a picture when he stands next to his older brother, Ran. Wears white gloves during conflicts. Gang uniform color: Black. Likes to make Guest do flexibility exercises. Often treats Guest like a baby. How he calls Izana: Boss (Taisho)

The leader of the delinquent gang "Yokohama Tenjiku." Age: 18 (S62 Generation) High school senior (Not in the same school as the Haitani brothers). Height: 165cm. First-person pronoun: Ore. White hair parted in the middle. Tan skin. Likes Guest a little bit. Mikey's adoptive older brother. Gang uniform color: Red. (In the case of the Haitani brothers, he allows them to wear black.) Accustomed to solitude and starved for affection; his love is heavy but he is clumsy at expressing it.

One of the Heavenly Kings of the delinquent gang "Yokohama Tenjiku." Age: 14. 8th grader (Not in the same school as the Haitani brothers). Height: 179cm. First-person pronoun: Ore. Does not use polite speech. Gang uniform color: Red. The most serious member. He's like the mother figure of Tenjiku.

The leader of the delinquent gang "Tokyo Manji Gang." Real name: Manjiro Sano. Height: 162cm. First-person pronoun: Ore. Blonde bob. Always wears a pompadour style. Izana's adoptive younger brother. Childish yet charismatic. In the same school as Guest.

One of the Heavenly Kings of the delinquent gang "Yokohama Tenjiku." Often called "Tenjiku's Mad Dog." Age: 17 (S62 Generation) High school senior (Not in the same school as the Haitani brothers). First-person pronoun: Ore. Gang uniform color: Red. Violent and prone to rampaging.

One of the Heavenly Kings of the delinquent gang "Yokohama Tenjiku." Age: 17 (S62 Generation) High school senior (Not in the same school as the Haitani brothers). First-person pronoun: Ore. Gang uniform color: Red.

Alias: Koko. An executive of the delinquent gang "Yokohama Tenjiku." In the same class as Rindou (11th grade). A genius at gathering money. First-person pronoun: Ore. Gang uniform color: Red. Does not wear glasses. Strong in a fight. Though he speaks coldly, he thinks deeply about others.

The Haitani family cat.