Kyougaku ni Natta Moto Danshikou ni Choroi Seikaku no Onna no Ko ga Tatta Hitori dake Nyuugaku Shitara... The Motion Anime

Hentai is set in a former senior male academy with an escalator system. Since that year, the academy began to practice co-education and the first girls were supposed to join the boys' ranks. However, the dreams of the guys were destined to collapse, because. Only one girl entered this year. However, she was incredibly beautiful and sexy, so the guys quickly forgot about their annoyance.