Takashi has traveled back in time and ended up lost in the Showa era. There he meets a high school girl named Suzu. Who would have thought there would be such a cute girl in such a filthy place? He's going to do it, the night slut. He finally has sex with Suzu, who was still a virgin. Suzu's white panties peeking out from under her uniform, the suffocating smell of the tatami mats, she feels embarrassed but aroused. And then he does the forbidden creampie...