After her maternity leave ended, female teacher Maki returned to work. However, soon after returning, a groping incident occurred on the way to school, and she volunteered to keep watch. But her forty-something body, frustrated with desire, easily succumbed to the groper's finger techniques. 'To prevent him from touching other kids,' she reasoned, as Maki continued to desperately seek out the secret pleasures during her commute. Before she knew it, Maki had awakened to the shame and pleasure of being toyed with in a crowded train. And today, just like always, she boarded the train…
