Female college students engage in sexual activities involving their lower bodies.

Mika, a student at the art school, was assigned to teach painting to Osumi, a former university professor. Osumi’s household also included his second wife, Kiko. She had a history of insurance fraud as a former lifeguard. Of course, Kiko’s real goal was to get her hands on Osumi’s wealth. Sana, one of Osumi’s servants, openly brought men into the house and had relationships with them in broad daylight. And Maria, the model for the paintings, was constantly provoking Osumi, trying to provoke him. The only person who remained calm was Kiko’s daughter, Yoko…