Paizuri Cheerleader VS Sakunyuu Ouendan!(2014)

Paizuri Cheerleader VS Sakunyuu Ouendan! is an adult anime series based on an erotic game by Marine. Shin joins a two-person cheer group run by his older sister Yuko after she forces him to participate. When he accidentally injures Chieri, a member of the larger cheerleading club, Shin agrees to work as the club's caretaker as compensation. His new role takes an unexpected turn when the club's coach, Satsuki, implements an unconventional training method involving intimate acts to help members overcome their inhibitions. What begins as an accident spirals into a series of increasingly provocative encounters as Shin navigates his duties within the club.