Close friends Ryo Ayumi and Kaho Kashii were having their usual tea party when the conversation turned to sex. Kaho was having fulfilling sex with a young man she met on an app, and despite her initial reservations, Ryo found herself agreeing to try it just once. The student she met, Yuzen, was obedient and Ryo found herself enjoying the thrill of domination. Meanwhile, Yuzen became increasingly infatuated with Ryo's mature allure and aggressive advances, losing himself both emotionally and physically.
