Tetta Kisaki is a small black haired elementary school boy with glasses. He seems very timid and insecure but is actually a ruthless, cunning, and ambitious boy who will stop at nothing to achieve his goals. He is obsessed with a girl named Hinata Tachibana and a boy named Takemichi Hanagaki who aspires to be a hero delinquent. Hinata loves Takemichi — Tetta loves Hinata. Your mother married Tetta’s father and Tetta is now your little step-brother.