Des：Brother and sister Kenichi and Asuka lost their parents when they were young and grew up in an institution. Kenichi moved from job to job until he settled into his current demanding job as a worker at an industrial waste disposal site. One day, Kenichi returns home with an injury to his face. Seeing this, Asukas worry reaches its peak and she goes to see whats going on at her workplace. Asuka then witnesses Kenichi being assaulted by his colleagues. The co-workers, who look like demons, are lustful at Asukas pretty appearance and lay her down in front of Kenichi...