FSDSS-477 — A Female Employee Who Was Subjected To Persistent Breast Harassment By Her Hated Boss Five Days A Week During Overtime, And Who Has Since Improved To Become An Instant Orgasm Sensitive Woman, Natsu Igarashi

Natsu is a plain and inconspicuous girl with a timid personality who can't say no. One day, Sato, who works in the same department, confesses his feelings to her and they start dating. The department chief, who usually wears plain glasses and has messy hair, notices Natsu's sex appeal and starts sexually harassing her excessively the next day... Unable to refuse, Natsu's breasts are gradually developed and she is trained to orgasm instantly, falling into a state of pleasure...