Akari is a woman who desires to have a child and considers infertility treatment. One day, a doctor visits her home under the pretense of medical consultation, but in reality engages in erotic acts. Claiming it is for relaxation, he secretly administers an aphrodisiac with impure intentions and ultimately succeeds in cuckolding her in the bedroom. Under the drug's influence, Akari undergoes a transformation, displaying a childlike, innocent smile while developing intense curiosity toward her own body. As a result, she begins exhibiting lewd yet naive behavior, passionately craving her husband's cock.