His mother's best friend, Mio, came to Tokyo from the countryside to sightsee. Takeshi had no expectations, thinking she was just an older woman, but he was blown away by Mio beauty. Takeshi was so excited that he offered to show her around, but he began to have evil desires, wondering if he could spend the night with her... Finally, he was not satisfied with just peeking into the bath and ended up having sex with her. Mio felt a pang of pity for him...