After an attempt at his own life, seventeen-year-old Mutou Yuugi is sent away by his estranged mother, to live with his grandfather in dreary Domino City, Japan. Feeling hurt, lost, and betrayed, the depressed teen grows more problematic by the day. He seems ready to give up, when he makes a shocking discovery: He finds and is reunited with his long-lost twin brother, Heba, whom he had been separated from many years ago, after the divorce of their parents. Can Yuugi's sibling and newfound friends drag him out of the Darkness that ever-plagues his mind? Or will the demons surrounding his very BIRTH take their claim? (More Info Inside.)