少年歌行外传:暗河传Tales of Dark River Tales of The Killers Organization Called Dark River Legend of Assassin / 少年歌行外传:暗河传/Tales of Dark River / Tales of The Killers Organization Called Dark River / Legend of Assassin / 少年歌行之暗河传 / 少年歌行外传:暗河传 / Tales of Dark River