Ten years ago, Tatsuya and Kazuo raped Nozomi (Sayuri Otaka), the woman they admired. Tatsuya is tormented by guilt and is still plagued by nightmares. Tatsuya and Kazuo have been on a break since the incident, but after much deliberation, they decide to meet. Soon after Tatsuya and Kazuo meet again, an incident occurs in which Midori (Nanami Nishino), Kazuo's younger sister, is raped by a man in a sailor suit. The two suspect a connection to the incident of ten years ago, but...