a young boy, Tetsuo, is adopted by a strange family, only for him to find out that they are Yakuza's. How will he survive in this new family? Will he adapt or will he EVOLVE? the story is set in the present world, where crime looms the city, and our hero, Tetsuo, is no other exception. Will he adopt the bad ways of the Nagatomi-kai, or will he uphold the values of discpline of the Horikoshi's?