NDRA-101 I'm also doing it with her mother behind her back... Tomino Miho

Hiroshi, a college student who had been dating his girlfriend for half a year, was captivated by her mother's beauty when he visited her home. His friend Takuya, who belonged to the same club, was also entranced by her mother's gentle smile, both in heart and groin. That night, Hiroshi stayed over at her house but couldn't sleep. He left his room and ended up having forbidden sex with her mother, who had snuggled up close to him. Then Takuya found out about this fact and…!