Shokuzai no Kyoushitsu

Naive student Nanase's father has just been arrested for murder. While his guilt remains in question, a perverted gang of Nanase's classmates have already passed judgment, and are punishing her for her father's crimes. To atone for his sins, she must obey their every sexual command to satisfy their twisted desires. The group of boys fucked her in gangbang and dumping their loads into her body and they even use another classmate of Nanase for their pervert deeds while one of the boy is recording it with his journal.