Yoichi, who was writing his thesis at the library, found himself unconsciously playing with his nipples while lost in thought. Then, seeing this, the librarian Kana, out of curiosity, touched his nipples... His overly sensitive reaction amused Kana, who couldn't resist tormenting his nipples persistently, leading him to climax. Despite trying to hide it from others, Yoichi continued to be subjected to Kana's repeated nipple play, being driven to ecstasy each time. Before long, he became unable to escape the pleasure of nipple torment...
