At 7:12 a.m., platform two, car eight, fourth door. Every day, I've been repeatedly molested inside this train car by a man whose age and occupation I don't know. Though I know I'm failing as an educator standing before a classroom, I still board that train today. Saika, a gentle and ordinary teacher, lives a quiet daily life—until the day she becomes a victim of molestation on her commute, and something inside her begins to shift. The pleasure derived from being touched, the indescribable tension, and the inner conflict between her dignity as a morally upright teacher and her immoral actions. Before long, Saika transforms into an immoral female teacher who secretly anticipates daily molestation on her morning train ride.