Two female college students, Kokomi and Meru, came to a secluded hot spring inn deep in the mountains on their graduation trip. It is said that there is a power spot for love called “Happiness Falls” near this inn. However, this trip was a revenge trip carefully prepared by her best friend "Meru" who was crazy with her jealousy. "Kokomi", who doesn't know that even the owner of the inn is "Meru" and is a guru, suddenly puts an aphrodisiac, bondage SEX, restraint shame play, and various perverted training such as circles. It continues to be filmed by "Meru". And in front of her best friend she was fucked by many cocks...
