Naruto: the Boy Who Signed a Contract with the Sea at the Beginning

[Single heroine] [No system] [No time travel] [Genius] Senju Tobirama's great-grandson, Senju Kaito As a direct bloodline of the Second Hokage, he inherits the will of fire and protects Konoha! There is no system here, only the ancestral secret technique of sea escape! Sea escape wall! ——Indestructible, bear the tailed beast jade Sea Escape. Water Dragon Bite Explosion - The domineering force leaks out and can kill countless enemies. Sea Escape. Great Waterfall Technique - A huge wave can engulf everything within a radius of 2 kilometers! A series of terrifying sea escape bombardments, Senju Kaito is bound to let the waves wash away the entire ninja world! In this ninja world, he will use the power of the sea to write the glorious legend of the Senju clan.