It's a man's nature to masturbate when he sees a nurse's transparent panties during his stay in the hospital, where he continues to abstain. And it turns out that I was secretly trying to be silly. However, the nurse, who is aware of his abstinence situation, blames himself, saying, ``I got aroused because my underwear was transparent.'' The nurse cooperates with masturbation to make amends, but as she stares at his dick, the nurse gradually becomes aroused...