A man who claims to be the husband's colleague suddenly appears while the husband is away. Taking advantage of the Higuchi family's weakness, he has come with the intention of having sex with the wife, Mitsuha. In reality, Mitsuha and her husband are obsessed with having a baby and have sex every night, but the husband is so tired from sex at the office that he makes many mistakes at work. The man demands, "In exchange for not firing your husband, let me have one!", but Mitsuha refuses with all her might, so he persistently and relentlessly licks her until he drives her into a corner and impregnates her...