Noriko Enatsu, a beautiful office worker, is good-looking and good-natured, and makes every effort to be liked and cared for by everyone. She is always charming and has a calculated "mockery" that makes her the sole favorite in the company, but one day the situation changes when a new employee, Sui Kurihara, appears! With her flawless "cuteness," her translucent white skin, fragile appearance, and girlish innocence, Sui's charms instantly capture the attention and hearts of the male employees. Enatsu, who grows angry and critical of this situation, begins to see Sui as a rival at every opportunity...?