Tezuka Kunimitsu, a third-year student, male, loves tennis, cold personality, unsociable, good friends: Fuji Shusuke, Oishi Shuichiro.
Now, what a wonderful iceberg, what a cherished original inhabitants! How come we meet so many reborn people! Don't make trouble for those who traveled through time, okay?
Fuji Shusuke, a third-year Seigaku, gender reborn boy, hobbies: cactus, teasing his younger brother, before rebirth: personality (really) gentle, a little shady, after rebirth: absolutely shady personality, friends (after rebirth): Tezuka Kunimitsu, Natsume Ryuyo, Kawamura Takashi.
Shuichiro Oishi, a third-year student at Seigaku, is a gender-reborn boy. His hobbies are: nosy, and he has a strong sense of collective responsibility. Before his rebirth, his personality was like that of his mother-in-law. After his rebirth: he is neat and tidy. His friends: Eiji Kikumaru, Sadaharu Inui, and Kunimitsu Tezuka.
Echizen Ryoma, a first-year Seigaku, gender reborn male (hidden), hobbies: challenging the strong, silently watching dramas, before rebirth: only pursuing stronger opponents, after rebirth: properly handling pigs and eating tigers, friends: Fuji Shusuke, Oishi Shuichiro, Tezuka Kunimitsu, Kikumaru Eiji, Akizuki Yukaku, Irie Kanata.
Shuji Tanejima, a third-year high school student, is a reborn male. Hobby: teasing opponents. Personality: idle. Personality: unchanged before and after rebirth. Friends: Irie, Omagari, Oni, and Tokugawa.
Wait...
Tezuka: Fuji usually doesn't act like this, Oishi, why don't you...