Joshi Luck!(2019)

Original title: じょしラク!

Teacher, Kuroda Koutarou is tasked with advising the girls' lacrosse club. While on duty he unintentionally peeps on the girls changing and is caught. But instead of reporting it, the five lascivious girls decide to play with Kuroda-sensei, who is in no position to refuse but isn't too averse to the arrangement.