Kana, a wife who has been unable to conceive despite her efforts, consults with an old family doctor, Kawamura. Considering Kana's desperate feelings, Kawamura hesitantly proposes a forbidden infertility treatment passed down in his family, the 'Face-Licking Hormone Improvement Therapy.' Despite her husband's objections, Kana undergoes the treatment, but it goes beyond merely licking her face viciously; it escalates to lewd acts like caressing her entire body. Kawamura becomes obsessed with Kana's body, and for further hormone improvement, he starts inserting himself raw into her vagina...
