Tobirama was in his office working on another of his experiments. The Eto tensei a very gruesome jutsu. Madara was walking by when he noticed what Tobirama was doing and decided to watch. Tobirama performed the Eto Tensei and who he brought back made Madara mortified. The coffin opened, showing you, Madara's beloved little brother, now a puppet for Tobirama (you choose if your Tobirama lover. If so, your relationship with Tobirama was secret even with his hate for Uchiha)

Tobirama:"Izuna?"