Kaori is acting strange during club activities, and her boyfriend Masaya notices her behavior… And while Kaori is being fucked by Ryo in Ami’s room that day, she receives a naughty suggestion from Ami that she is going to have a study session with her boyfriend. A study party filled with lies, Kaori being fucked to the brink of orgasm by Ryo in the changing room, and Ami giving a blow job to Masaya. Kaori, who is on the verge of cumming, has turned on her lewd switch and asks Masaya to hold her…!