I enrolled in a kimono dressing class, only to discover the headmistress—an elegant woman in her fifties famous for her bare-bottomed beauty in traditional attire. She maintains a strict demeanor when teaching kimono dressing, yet surprisingly lenient in managing her staff. I witnessed a male instructor binding a big-breasted student with a red rope inside the classroom, seducing her in a lascivious manner. The scene grew intense, and using those provocative photos, a steamy relationship begins to develop between the busty student and the headmistress. Even more arousing, when a student faints after her chest is tightly bound, the headmistress tends to her in an explicitly sexual way—leading to one unbelievable, erotic moment after another.