Namikaze Minato's Will: Actually I Have a Younger Brother

The night of the Nine-Tails Riot, Namikaze Minato and Uzumaki Kushina sacrificed their lives, Bringing peace to Konoha Village! What was left behind besides Naruto was a scroll of last words. Actually, I have a younger brother, Namikaze Mizujo. He is a million times better than me, and I hope Naruto will be raised by him. Just before the Chunin Examination, The Namikaze Water Castle that traveled across all realms is finally back! ! ! ! From now on, there is only the Kingdom of Fire in the ninja world! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.