As a tattoo artist, Hyakkei was faced with an unusual request from his childhood friend, Kaoru. With plans to become the leader of his yakuza clan, Kaoru requested that Hyakkei emblazon his back with a dragon tattoo. Though time had passed, Kaoru's steadfast determination had not wavered, and his pristine white skin stirred up old feelings within Hyakkei. Upon reuniting, memories of their shared youth at eighteen years old came flooding back. This is the story of the affection between a tattooist and a member of the yakuza.