A gentle mother-in-law and sister-in-law who live under the same roof with a penlight that has a powerful event ○ effect Yuichi Mamiya who manipulated it at will and used it as an outlet for libido. The foolery that is unfolding every day at the Mamiya family has already been revealed to the married women in the neighborhood. Tearko, the chairman of the neighborhood, visits the Mamiya family and asks Yuichi, but she is rushed to the event. Realizing that rumors about the Mamiya family are spreading throughout the town, Yuichi finally takes action involving the entire town ...