>Yoshihisa Kira, a historical novelist, has been suffering from erectile dysfunction since his wife died four years ago, but despite his treatment, he has been living a life of impotent penis. >However, with the marriage of his son Kousuke, a new family member to the Kira family, Yoshihisa's lower body gradually goes haywire. >Yoshihisa overcomes his erectile dysfunction with the schemes of Takemoto, the town's electrician, but ends up cuckolding his son's wife.