Yukita Yukino, who works at a high-end cosmetics sales company, has a girlish and cute appearance with a small face. She is quiet and obedient to her seniors, but in reality, she is strong-willed and the daughter of the boss of the Budo violent group, Yukita-gumi. Although young, she is polite and has a backbone. One day, the Tokyo yakuza Shiratama-kai approaches Yukita-gumi with a business proposal. However, due to differences in their code of chivalry, they are turned away. The pride-hurt Shiratama-kai sets their sights on Yukino. The spark for a full-scale conflict has been lit！！
