Rion is a new employee at a lingerie manufacturer. However, her "J-cup body," which can be seen even through her clothes, becomes a hot topic among the male employees... Her big breasts catch her attention, and her boss frames her for a crime she did not commit, and in return, he plays with her voluptuous body as he pleases. She is forced to wear various obscene lingerie, exposing her private parts, and her vile boss uses his filthy cock to stir up her vagina every day, turning her into a sex toy.