Nao Satsuki's H-cup erotic body is used as a toy on an obedient hot spring trip! She exposes herself indoors upon arriving at the inn, and in the open-air bath, she lets a middle-aged man who barges in make her pee! She experiences unprecedented orgasms with restraint toys, and after receiving humiliation play in a 4P banquet, she receives continuous pistoning to her limit! Here is a new realm for Nao Satsuki!