STARS-326 I couldn't control my erection when I saw my girlfriend's younger sister without a bra after taking a bath, so I tried to attack her, but instead she was so horny that I was forced to cum over and over again.Hikari Aozora

I live with my girlfriend in Tokyo. - Only during the winter break, her younger sister Hikari, a high school student, moved into the house. - One day, he encounters Hikari without a bra and defenseless. - I had no sex, so my erection wouldn't subside, so I tried to attack her by massaging her breasts, but instead Hikari seduced me and I started ejaculating repeatedly.