One Piece: Supreme Check-In System - Chapter 3: Uta’s Choice

Jake had spent his entire life buried in textbooks, chasing one exam after another — until he finally graduated from one of the world's top universities as a nuclear engineer. He thought the hard part was over. It wasn't.On the very first day of his new job, a speeding truck ended it all.But fate had other plans.Jake woke up in the arms of a stunning goddess who offered him a second chance — along with one extraordinary skill of his choosing.[Hypnosis (SSS-Rank): The power to control minds and issue irresistible commands.]Reborn as the bastard son of a noble house in a fantasy world, Jake quickly realized he held a power that could change everything.“Lady Aria,” Jake said, his voice low and calm, “you'll find yourself wanting to obey me more than anything else.”The cold, dignified head maid stiffened, her eyes clouding with confusion — then softening into eager submission.“Stepmother,” Jake smiled lazily, “you've been working too hard. You need to let me take care of you... personally.”The once-proud woman faltered, her cheeks flushing as she nodded without hesitation.“Miss Evelynn, heir of House Marlow,” Jake said casually to the visiting noble, “you'll trust me more than anyone else in the world.”With every whispered command, Jake planted a seed deep inside their minds — seeds that would soon blossom into absolute devotion.***Check out my discord for character illustrations: https://discord.gg/Z9pY9tE9e8(No Yuri/No NTR)

Transcend to become the prince of Daxia, activate the Devil Emperor Summoning System, summon the powerhouses from other worlds, and fight for hegemony in the heavens!

If I were the Devil Emperor in the future, I would definitely let your blood stain the sky!

- Description from novelbuddy

Emperor Zi Yu used 5 strikes of his axe to split mountains and unify everyone underneath the heavens. He partitioned the land into 9 areas, thus establishing the Nine Cauldrons which eventually became known as the 9 prefectures.

Doomsday Online has descended, reducing the entire Earth to a ruined playground. It is occupied by countless terrifying monsters.