~~This story takes place in Hanamura, Japan~~ The Shimada brothers, Hanzo and Genji, are to rule the Shimada clan together, but conflict arises after Hanzo notices Genji's large amount of dissapearances. But in truth, Genji doesn't want any part of being leader of the criminal clan; instead, he lives a rather lavish and playboy lifestyle, but Hanzo is enraged by Genji's choices. Turns out, Genji is sneaking off at night to see a girl by the name of Sieko, and Hanzo demands that Genji discontinues his visits to her... And to take an active role in the clan, but Genji denies, leaving the brothers at war with one another, but mistakes happen, and this world is full of regret.