Court no Naka no Tenshi-tachi

Akira, a handsome coach, oversees training for the girls volleyball team at Aota Academy, focusing on technique and ball control. When new team member Nanase, a skilled player, joins, it is revealed she requires the coach to sexually arouse her in order to become motivated to play. After Akira is assaulted and hospitalized, a problem arises for the upcoming championship: Nanase's performance is dependent on his presence to stimulate her.