After discovering a dark secret about their parents, a group of teenagers band together to run away from their homes in order to atone for their parents' actions and to discover the secrets of their origins.
It tells the tale of a wronged Japanese snow monkey, mentored by the ghost of an American assassin, as he cuts a wide swath through the Tokyo underworld.
It centers around an egomaniacal supervillain with a really big head and a really little body, who struggles to maintain control of his evil organization and his demanding family.