FSDSS-477 Natsu Igarashi, a female employee who was harassed by her boss who hated her sticky breasts 5 times a week while working overtime, and instantly became more sensitive

Natsu, who is plain and inconspicuous, has a weak personality and cannot refuse. One day, Sato, who works in the same department, confesses to her and they start dating. Natsu usually wears plain glasses and has messy hair, but the manager notices Natsu's sexiness and starts to sexually harass him the next day. Natsu, who cannot refuse, gradually develops breasts and is trained to have an orgasm, and falls into pleasure...