MTL - Sword Slaying The Heavens - Chapter 785 this may not be

She was originally the young miss of the Marquis Estate, but became a peasant girl due to a mixed-up at birth.

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.

“This twisted world needs to be reset. That's what V2 is for!”-------------------------------------------------------------Waking up only to find that she's reincarnated into a world very reminiscing of a game that she used to play, Yuki is suddenly thrust into a worldwide conflict. To ensure the longevity of her newfound motherland, Yuki will have no choice but to flip this war upside down. If only to finally has some closure for past life also.So buckle up, strap your helmet tight, and keep your rifle loaded and on safe. This is not your bog-standard story about overpowered characters on a battlefield, no. This is a story about warfare in all its bloodied glory, the leader that calls the shot, the soldiers that execute them, and the nation that's backing them up. And along the way, sprinkle those a healthy dose of beautiful maidens, lily/futa romances, and build a harem.This is not gonna be a quick and decisive run, no. We're in this one for the long haul. Hail, Ironblood!