MTL - Crossing the Other World to Build Gundam - Chapter 955 Cannon Steel DX and G-First-DX Gundam

The Fake Life of a Villainess: Reincarnated as a villainous noblewoman, you become an experience bag for the protagonist on their journey. You are the target of the maid’s revenge, your half-sister takes away everything that belongs to you, and the grand princess who cared for you for many years finally loses hope and abandons you. The Real Life of a Villainess: You clean up the mess left behind by the protagonist when they disappear. And in their place, you teach her that as a maid, she shouldn’t always be thinking about…

In a world far more dangerous than the one he once read about, Nero Ravenclaw is reborn as the heir to Rowena Ravenclaw’s legendary bloodline. Armed with knowledge of the books and a mind sharpened by experience, he quickly realizes that this isn’t the same Harry Potter universe.It’s darker, deeper, and filled with wizards far more powerful than he ever imagined.Determined to carve his own path, Nero seeks to reach the apex of the magical world. As he unearths the secrets of the founders, navigates political intrigue, and clashes with forces both known and unknown, he must forge his strength to survive.With new ranks of wizards, powerful bloodline abilities, ancient magic, and a reimagined magical system, this is the untold story of a Ravenclaw who refuses to be bound by destiny.The wizarding world is far greater than anyone imagined.And Nero intends to claim his place within it.Disclaimer : I don't own Harry Potter or its characters (except the original characters I create).

She fought in the Battle of Changping and witnessed the killing of hundreds of thousands. She once led the Qin Iron Calvary and battled against the Six Kingdoms. She has seen a third of the land and witnessed the breaking of mountains and rivers. The sound of a grand zither and the light of a great female emperor. A prosperous world that was forged on the battlefield. Yet, these two thousand years are forgotten from history.

- Description from Novelupdates

This legend tells the tale of the protagonist, Kuroki summoned to protect the demon king from the hero.

Kuroki, unbeknownst to him, suddenly came to another world. He was summoned by the demon king, Modes. The territory which the demon king overrules was in the midst of being destroyed because of the hero. He had no choice but to bow before Kuroki.

“Please save us, Savior Dono!”

Kuroki nodded, deciding to save the demon king due to an unexpected turn of event.