Jun and his wife have not had sex for a long time. Meanwhile, Jun increasingly has feelings for Naoki, her colleague at work. One day it rained heavily, and because he wanted to give the key that Jun had forgotten, he got wet in the rain. Because Jun's house was nearby, she invited Naoki home to stay out of the rain. Naoki suddenly expressed his feelings for Jun, confusing her and stopping him. But when she saw her husband's cold attitude, Jun decided to call Naoki, make an appointment to meet him, and ask him to satisfy his long-accumulated sexual desire...