Oide yo! Shiritsu Yarima×ri Gakuen

おいでよ！私立ヤリま×り学園

★ 6.42016OVA4 episode21 menitPoRO petitSeason FALLSelesai

The Principal changed the school rules by encouraging all his students to have sex so they could be more eager to follow the lessons and go to school. The chairman of the Mira Committee disagreed with the regulation. Another student on sex while Mira just want to rest on the roof of the school building. At that time, he met a man lying alone by showing off his penis. (Source: Nekopoi and Has Been Translated)