Warau Kangofu - Season 1

Based on the manga by Yonekura Kengo. A nurse at a hospital begins a sexual relationship with a patient, later including the patient's childhood friend in their activities. In a separate residence, a brother observes his sister masturbating to adult films, an incident that leads to a sexual encounter between the siblings. In a third household, a woman and a girl are unable to conceal their mutual sexual desires from a visiting friend.