With Mangekyo, I Escaped Konoha To Other Worlds [Naruto/AttackOnTitan]

Not long after the Third Great War, five words sent ripples throughout the Ninja world. The Uchiha Clan was slaughtered. In that year, Itachi Uchiha became an S rank Missing Nin. And Sasuke Uchiha became the sole survivor of the Massacre. Or so the Ninja world thought. Because similarly in that year, a Transmigrator born into the uchiha clan years ago transmigrated again. But not before leaving with an awakened Mangekyo Sharingan and a vengeful promise to kill Itachi Uchiha and destroy Konohagakure upon his return. His name? Seiji Uchiha. ... ---- [Prime World: Naruto] [First world: Attack On Titan] [Second world: DC]