Akito and Akari, siblings raised in an institution. Akito, who works as a worker at an industrial waste disposal site, is severely bullied by his colleagues and gradually becomes mentally ill day by day. One day, Akari's concern reaches its peak, and she goes to see the workplace situation. The workers, aroused by Akari's delicate appearance and her well-developed, voluptuous body, assault Akito and then gang up on Akari right in front of him. Furthermore, a yakuza man who runs the upper-tier company appears...
