Tristan Chishiki is an 18 year old boy currently living in Japan. He lost both of his parents in an accident and now lives with his sister who is a year younger than him. Since High school Tristan has studied everything there is, in an attempt to become a worthy candidate for the love of his life, Fuyu Kuruma, a beautiful young woman from a substantial background One day Tristan is given the opportunity of a lifetime. To enter into a competition for the highest members of the Bijinesu organization. If he wins, not only would he be able to win Fuyu's hand, but also become the underground king of the world.