Nanako, who had temporarily returned to work after her maternity leave, was excited about her first commute in a long time... However, the pervert took advantage of her vulnerability and skillfully teased her sensitive spots. Even after changing her commuting time, the pervert's relentless finger techniques on her sexless body gradually accepted his lewd actions. And before she knew it, Nanako, who had fallen into the pervert's trap, began to seek out the pervert herself and boarded a crowded train...