Turns Out I'm the Child of the God of Asura and the Ninja World

There's a little Hashirama and Madara content, so I put this in the women's section. The protagonist is an original character with no romantic pairing. Sorry, but this isn't very friendly to Danzo fans! Sasuke and Obito appear a lot, and Obito has a gender-swap plotline, so be warned.

With the Hokage as his parents, an uncle in the Ministry of Foreign Affairs, and an uncle in the Anbu, Nangachuan was destined to be the heir from the moment he was born. He even had his twin brother Obito by his side throughout his childhood. What more could a winner in life ask for?

Then, in a moment of carelessness, Nangachuan transmigrated. Not only did he end up in his own body in a parallel world, but he was also forced to lose all his memories. He hadn't even brought his strength with him.

After finally figuring everything out, he looked at his deadweight little brother, sleeping soundly in the Kamui dimension, fell silent, and resolutely set off on the road back home.

All he wanted was to get home as soon as possible and avoid forming any more ties in this world. But when he saw the familiar faces from the past, how could he turn a blind eye?

Wow, this synopsis is misleading. The story only seems to match it by about a third. The rest depends on how the story unfolds.

The protagonist isn't invincible from the start. He's been sealed, and specific conditions have to be met to break the seal. Also, he's not especially smart, so he relies on overwhelming firepower. He's deeply sentimental, not a cold-hearted person.