Koharu, who is the manager of the basketball club, is taken advantage of because of her serious and irresistible personality and ends up being turned into a sex pet by the club members. She is surrounded by energetic basketball club members...and gets beaten up on a daily basis. I can't resist even if I'm sexually harassed by the captain or my classmates! She gets her pussy fucked and the club room is covered in urine. “The fact that you are our sex slave is a secret only within the basketball club.