A Serious Female Teacher Is Made To Ejaculate Prematurely By An Abnormal Sexual Deviant Who Makes Her Cum Without Fail, And She Derails The Rails Of Her Teaching Career.

Perhaps because she seems unlikely to resist, Sakura, a plain and serious teacher, has been the victim of groping several times before, and every time she rides the train, memories of the past flash through her mind... One day, as usual, she boards a crowded train and is groped again. But this time, the groping feels different from usual—somehow pleasant, and despite the vile act, she finds herself feeling pleasure...