After receiving a call from his best friend from his school days, Yamashita, for the first time in a long time, Nishi comes to Yamashita's house, where he still lives, for three nights and four days with his wife Ai. After reminiscing about old times and drinking happily, Nishi falls asleep early, while Ai is cleaning up after the party. At that moment, Yamashita suddenly approaches Ai. Yamashita has always been jealous of Nishi and has been after Ai. Yamashita forcefully pushes Ai down and thrusts his raw cock into her, cumming inside her, right next to Nishi. He records everything on video to send to Nishi...