Rukawa, who works at a small obstetrics and gynecology hospital somewhere in Tokyo, is a beautiful nurse who is reputed to be kind, laugh often, and brighten up her surroundings, although her work is messy. However, she had a secret that even her closest colleagues did not know. - It is a bad habit to seduce husbands who visit the hospital by hiding from their wives who are heavy. Men who were denied sex by their wives and were overwhelmed with sexual desire and stress were in the sperm collection room, in the hospital room, right next to the delivery room during childbirth ... He betrays his wife, who is battling the pains of childbirth, and easily falls into the temptation of Nagarekawa. Rukawa smiles gently while looking at the face of a man who is entrusting himself to pleasure and ending up with goofiness. "When I see a happy couple, I want to be mean..." - Includes 4 in-hospital infidelities of scum husbands entangled with evil nurses.