I'm living alone in a super cramped 1K apartment in Tokyo. Suddenly, my sister (Sakura) shows up and we start living together! Sakura's grown into a big-breasted beauty, and her boobs are always popping out, making it hard to look away! I can't help but forcefully take advantage of her, and then she starts asking for creampie sex from me! Our sibling relationship has become a forbidden one that we can't tell anyone about...
