Miharu Usa's groping works are finally released! Challenging the hardest content ever! (Synopsis) An ordinary morning, the usual route to school. Miharu's carefree life takes a sudden turn. On the crowded train she's used to, she feels an unfamiliar sensation against her ass. She was being groped... The next day, after enduring it, she was attacked by the same sensation again. Yes, yesterday's groping was merely the prologue to a nightmare...