Shyuka, a married woman who is unremarkable and inconspicuous at work, is weak-willed and unable to refuse when her boss forces unpleasant tasks upon her. Shyuka was subjected to molestation on her daily train commute, having her nipples tormented relentlessly day after day, unwittingly becoming more sensitive until she eventually found herself climaxing from the nipple stimulation during the molestation, even to the point of incontinence.
