After his divorce, Genichi was enjoying his solitary life when his newlywed son and daughter-in-law decided to move in with him. While he felt a bit embarrassed by their intense affection, he noticed something strange about his daughter-in-law, Kiyume. When Genichi expressed his concern, it turned out that their nightly activities weren't going well. Wanting to prevent the couple from falling out of love, Genichi offered to help Kiyume become more proactive in sex. However, his suggestions were far more explicit and obscene than she had imagined…
