MTL - Interstellar Tattered Queen - Chapter 2700 third set of measures

Ethan Carter was a failed fantasy author who died overworked and bitter. When he wakes up in the world of his own unfinished novel, he finds himself reborn as Darius Wycliffe, a weak and arrogant noble fated to be killed by the protagonist, Lucien Ashford, the Archmage’s Disciple.But Ethan refuses to die so easily. Armed with his knowledge of the world’s secrets and a unique ability to rewrite spells, he dives into the forbidden magic he once created but never fully explored. As he grows stronger, he uncovers terrifying truths about the world he thought he knew.To survive, Ethan must defy destiny, master the deadliest of magics, and challenge the very hero he once wrote to be unbeatable. But what happens when the lines between hero and villain start to blur?

A tale of avenging a father’s murder harbored hidden circumstances. A young man rose, a story steeped in bloodshed.

The world had started doomsday, and I struggled for a year, before I died under an enchanted beast’s claw. Heaven has given me another chance, back a day before the end happen. Will I be able to change my fate, and that of my loved ones? Now, I will start my journey on becoming the strongest on the planet that the Gods have changed into a game world.

- Description from Novelupdates

Sam Sanderson is envied by many for his job, however he himself didn't seem to like it much.

Due to his expertise in nanotechnology he was tasked with monitoring the state the Valkyries, humanity's strongest weapons who all just happen to be made into gorgeous females.

Forbidden from even touching any of them, Sam spends his days in agony watching flowers he couldn't hope to touch. However one day all of that seemed to change.