Graduation trip in betrayal

Two women's College "Kokomi" and "OKU" came in the graduation trip in the mountain bath of the secret bath in the mountain. It is said that there is a love power spot called "happiness falls" near this inn. However, this trip was a vengeance trip that had been prepared by jealousy, and was prepared by the crazy friend "ogre". The "kome" which is not known even though the master of the inn is "ugly" and "guru" is suddenly taken with the aphrodisiac, and it continues to be taken to "end" of the various transformation training such as the bondage sex, restraint shame play, and wheel. And before the best friend, many meat sticks were hammered...