Hideo Aiba (Atsuji Ninomiya) is a reserved and obedient high school student, who has never had any girlfriend. He spends all his energy on masturbating, his true reason for living. His life and his solitary activities will take a radical change when a new transfer student, the sexy Kurumi Sahana (Akane Suzuki), joins his class.

Sundome

A teenage girl transfers to a new high school. She and a boy in the class join the same school club and during one of the activities she confides in him that she was previously a male. Later admitting that the sex change was a lie, she agrees to date him as a form of apology. On their first date, however, he finds himself handcuffed by her class-mate.

Sundome 2

While Komachi, the leader of the North Kanto Ladies’ Alliance, is away, her gang is attacked by a mysterious delinquent named Irabu. Upon hearing that Irabu is at the infamous Kagurazaka High School, Komachi transfers there to take her revenge. However, she soon finds herself caught in a fierce rivalry between the school’s gang leader, Hina, and the boss, Makabe…