Despite the torrential rain, it has nothing to do with them. A boss having an affair with an employee is heading to a hot spring. They lose track of time, filled with desire to satisfy their sexual urges. The boss is obsessed with the subordinate's explosive M-cup breasts and eagerly licks and sucks them. In the bath and in the room, they knead the breasts while thoroughly indulging in intercourse, reaching climax together.
