The nurse in charge at the hospital where he is hospitalized is actually his younger sister. His sister sees his penis while he is bathing and assisting him with urination, and because he is abstinent, he gets an erection just by looking at his sister's body. While looking at her brother with embarrassment, she sympathizes with his request, saying "I can only ask you, my sister," and accepts his request, showing him her underwear and breasts, and eventually giving him a handjob and a blowjob...