Plucked from her mentor's studio, Mei is brought in to serve as a tattoo artist for the yakuza. Her life is balanced on the tip of her needle, and that balance becomes ever harder to maintain when she catches the eye of Tatsuo, prince of the underground syndicate. Keeping her head down and her hands steady won't be enough to stay alive in this secret world, where every act of kindness may conceal her demise, and the most dangerous player of all might just be her only hope.