Mio, my mother's best friend, came from the countryside to visit Tokyo. Takeshi didn't expect much, thinking she'd just be some old lady, but he was completely stunned by Mio's beauty. Totally smitten, Takeshi offers to be her tour guide, but in reality, he begins to harbor a wicked desire to spend the night with her... Eventually, not satisfied with just peeking at her in the bath, he even sneaks into her room at night. Feeling a sense of endearment toward him, Mio...