I'm in the Fog Ninja, My Sister Terumi Mei

Bai Yu, who traveled through the world of Naruto, became the younger brother of Terumi Mei, the fifth generation Mizukage in the future. Terumi Mei, the crazy doting brother: "I am the only one who can bully my younger brother." Uchiha Madara: "Bai Yu, I would like to call you the strongest person." Senju Hashirama: "We, the Fourth Hokage, were beaten by Bai Yu together. Who dares to bully your brother?" Bai Yu: "No one can fight." Princess Kaguya: "I have never seen a man as powerful as Baiyu-kun, and he is willing to give everything to Baiyu-kun." Tsunade: "Shameless woman, Bai Yujun is mine." Bai Yu: "Stop arguing! You are all mine." This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.