MTL - Conan’s World Stand-in - ~ Let's talk about a side story later, let's play escape room

Legends say this world has immortals!Chen Li: There might be, but there are more demons and ghosts and monsters!Once traversing into the vast unknown, hastily scurrying for meals amidst the busy throng, everyone says how great it is to cultivate immortality, yet who has seen skeletons exposed beside the road...?

When an S-class elite assassin-raised captain of a special ops suicide squad comes home from a high-stakes Africa mission, he finds himself offered something that could potentially set him up for life- a curious assignment that he could use to finally exit his days of war and slaughter.

Then placed into a high-school setting, Lin Yi is tasked by the chairman of a top-tier multi-billion company with bodyguard duty for non-other than his own daughter, a certain little Miss of said high-school.

His enemies, once ranging from drug lords, mafia bosses, political figures, and national leaders, are soon replaced with spoiled kids who happen to have rich papas and mamas, and Lin Yi finds his intense expertise and high-threat skillset misused, and very underwhelmed…

But he does get a harem cast as diverse as his old enemies, so Lin Yi decides that, for the sake of messing around with girls as an invincible entity in a down-leveled environment, leaving his bloody and death-filled war days behind is something he’d definitely want to strive for.

- Description from Novelupdates

As a precocious child, Lycoris suffers from a strange sense of deja vu. On the day her father told her about her fiancé, she realizes that her fiancé was a character from an otome game she once played in a previous life.

Throughout history, Humans have strived for greatness, not only in name but in deeds as well, and many failed to achieve it. It was no different in a Land of Dragons, Mythical beings, Knights, Mages, Demi-humans, and demonic beings. But their greatness came in a different form, a concept known as POWER. The power to conquer, to build, to control, to protect, and to love. Raffaelo Jun was a man born with a silver spoon, yet his sheltered upbringing prevented him from becoming the man he was meant to be. He was unable to achieve the greatness of the prestigious family of the Jun household and became a sight of ridicule. He was used for a while until he wasn’t, then discarded and killed for being a threat to the throne, but Fate had other plans. Reborn as a child, he starts over as the sole son of the Jun household, his actions brimming with intent. He had one goal: attain the power that he once ignored and stand on the precipice of human existence, to protect all that are dear to him. Note: It starts slowly until recent chapters. Interesting side characters, power systems, techniques, and a mixture of variety with the right blend. If you enjoy this work, give me your support, with votes, comments, and reviews :> Check out my new work; WELCOME TO GAMETOPIA!