Rin Suzune, who once dated M-kun just once, reveals that she secretly harbored an S-side, and it turns out she's a genius in being a pervert! With her innocent smile, she skillfully manipulates men with adept oral sex and nipple teasing, leading to massive ejaculations! She even enthusiastically engages in anal teasing and urination! In the dead of night in Tokyo, she visits M-kun's place and teases him relentlessly until dawn!