Op Mc MANGA

MC was an orphan taken in and trained by assassins who were mostly used by the kingdom. MC becomes one of the best assassins but his adoptive father demands he go to school which happens to be a magic academy where class issues fight with his scary aptitude

MC lived a life wishing to awaken and when he finally did, he can't level up. Stuck at level 1, he has a unique skill to use an interdimensional shop to earn points to buy skills (though the points equate to his life force). He's overpowered and overturning the rankers while maintaining his secrets and his profits.

MC died as a SSS-rank necromancer in the modern world only to reincarnate as a son of murim clan in a succession battle. He has to train the unhealthy body and fight curses while using his previous life's necromancy skills and game interface to get stronger and revive the failing clan.

The labyrinth formed and war started. The descendents of humans born in the labryinth: dungeon babies. MC is a dungeon baby from one of the deeper levels who discovers a new dungeon that he now owns. Battling monsters as a hunter and as the new naga king brings him back to where he's wanted to avoid.

A genius doctor in the modern world dies only to reincarnate as a young boy in a medieval fantasy setting. He develops insane magical skills enough for the gods to designate him as a saint. All he wants to do is help heal people.

MC's daughter is a witch that destroyed the world. He was a bad father and a decent hunter. But he suddenly finds himself back in time to when he first meets his daughter. He wants to help her and save the world by supporting her as a good dad and stopping the tragedies that turn her into a witch.

A righteous med student loses everything due to his morals and then dies. But he's reincarnated as a son of a poor noble clan in murim. He uses his knowledge, qi, and weird game-like abilities to help the poor and save people's lives, including his new mother's. This makes him more enemies than expected

Civil service exam failure MC reincarnates as the son of a poor fallen noble clan and uses his memories to improve his family's situation and earn a fortune. Might as well become the most renowned and respected young master while at it with the help of his ancestors.

In a world where everyone can become awakened, there are hunter academies to find the best. MC, in debt, working as a laborer to save money for an academy receives a mysterious ad for the Transcenion Academy full of mythical hero instructors via videos.

Lazy MC faces tragedies in his life before getting truck-kunned into a coma and somehow in a murim world. He became the OP Heavenly Demon, but is now back in his original world in the past. He vows to cherish his family and protect their bakery, while using his demonic arts to make the best pastries.