HBAD-589 — Tomoko Kosaka, A Secretly Slutty Older Sister Who Pretends To Be Pure And Seduces You With Her Huge Breasts

Kenji offers to help Tomoko, a female college student who lives in the same apartment building, as she is stuck on the stairs. A few days later, Kenji bumps into her on the street after drinking with a colleague from work and they end up drinking together at his house. Tomoko seduces him, and Kenji can't resist and ends up having sex with her next to his drunk colleague who is sleeping. Kenji's younger brother, who is watching, approaches her, wanting to get a taste of her huge breasts as well...