Ruka, the classmate sitting next to me, has big breasts that can be seen even through her blouse. And for some reason, she always wears no bra, so you can see her nipples! When I couldn't help but stare at her breasts, Ruka noticed and got angry, but then she asked me, "Do you want to touch them?", and things took an unexpected turn! When I squeezed them tightly, they were so tight that I wanted to touch them forever! I had sex with her breasts.