Married office lady Kazuka Hayase had little sexual experience before marriage, and her intimate life with her husband was bland. She has an interest in sex but lacks confidence and cannot be proactive. Due to a certain incident, she ends up going on a hot spring trip to awaken her hidden sexuality… The guide is a woman named Mina Kouchida with a bewitching smile. Her sweet and seductive words gradually expose Kazuka's hidden desires―. A strange combination of two women and one man sets off on a lascivious journey in this new sensation documentary.
