다음 중:After retiring from club activities, Nana (18), a girl in the athletic club, switched from commuting to school by bicycle to taking the train. In a crowded train, which she is not used to, she notices something touching her butt. It was the first time she had met her molester. In her life so far, which was far from her sexuality, she cant forget the pleasure given to her by her molestation...Nana becomes more and more absorbed in dangerous play.