Kaijin Fighter: So I Have to Make Monsters, So What? - Chapter 1263: An Unexpected Ending (1)

A cursed CD game falls from the sky. I boot it up, build a ridiculously handsome villain with broken talents, and just as I hit “Start”—boom, I get electrocuted.Now I’ve reincarnated as Lucien Caelum Valebrandt, a six-year-old noble and the infamous villain who helped the Abyssians win the last war.Every 500 years, the Abyssian King is reborn. But when the 16 chosen heroes of this generation lost against the battle of the Abyssian King because of my character, the Goddess panicked—and rewound time.Now those same heroes remember everything… and they want me dead.Even though I just got here.All I wanted was to play a game. Now I’m the villain blamed for destroying the world.

A side story series featuring the girls of Kyoukai Senjou no Horizon.

Violet skies, a world undergoing massive changes, a deficient moon, interlinking voids…
When the world experienced a cataclysmic event,the majority of living things ceased to exist. Although humanity survived by hiding in the last safe zones, humans had to face mutated dire beasts and colossal source beasts that could break through the space barrier and enter the earth at any second.
Luo Yunyang, a young man who grew up in those calamitous times, obtained an attribute regulator and set out to walk the path of supremacy!

- Description from novelupdates

After the Calamity War, the final and most devastating conflict to decide who would claim the Divine Throne, Kael Medici stood as the last survivor.He had led armies, fought with unmatched ferocity, and performed legendary feats. Yet in the end, his fate was no different from the rest. He perished like all the others, the final casualty of the Great War, his hand just shy of the throne he so desperately desired.But when he thought it was over… his eyes snapped open.He had returned to his youth, his memories intact.The path to divinity is drenched in blood, and the battle for supremacy is merciless. Yet Kael has already endured this once. This time, failure is not an option.With the memories of his past life, dominating talent and and a mysterious power awakening within him... The preparations to reach the Divine Throne were complete.