"Hey, Rui-chan. You, join my club..." Rui, who fell in love at first sight with a beautiful and elegant senior, goes to the club at her senior's invitation, but...? A sadistic senior's lesbian training. Spanking, humiliation, clothespins, strap-on training, naked cleaning, cleaning pussy after using the toilet, etc. Rui's Kokoro is awakened every time she receives embarrassing lesbian training, and she climaxes and drowns in the escalating punishments, dripping with love juice...