Manhwa to read after Solo Leveling

Troy Qi was a young MMA world champion, crowned the strongest man in the world after a career-defining match. But his reign abruptly ends after he saves the life of troubled high school student Tori He, as she accidentally falls from a rooftop balcony. When Troy awakens, he finds that he died... and his soul has transferred into Tori's body! Now the world's strongest fighter must face his greatest battle yet: being a female fighter in high school.

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Song An is a down-and-out programmer at the bottom of the social chain. His daily work consists of fixing bugs BUGs for a game called [New World]. However, he secretly adds his own little Easter eggs in the game. Suddenly, the game somehow became reality. He has to rely on his understanding of the BUGs in the game and the Easter eggs he had set up. Can Song An successfully counterattack?

He was suddenly summoned to another world one day. Monsters poured out, a huge disaster incoming. His ability the lowest. [Player's level is low] [Your level is hopeless] It doesn't matter whether you're the chosen warrior, a talented wizard, or someone who travelled back in time. One must do everything they can, in order to survive. The Regressor's Instruction Manual. "It doesn't matter if I'm trash." Is there anyone who wouldn't do anything they could to survive?

An F-rank Hunter. More than that, a useless, pathetic F-rank older brother who’s holding back his younger brother, who’s doing well as an S-rank. The title that was given to me, who regressed after living a shitty life halfheartedly and sapping my younger brother’s life away, The ‘Perfect Caregiver’
Alright then. This time, I’ll just live a low-profile life, keeping to myself while watching over those amazing bastards… That was what I’d thought, but these S-ranks are… a little weird.

There once was the strongest Hero on earth.

"But he died though. How does a guy we killed gonna come back?"
"I know right. But if there was a way to come back, he would come back."

But did he really come back after 20 years?

"What are you so surprised about? Why. Did you do something to feel guilty about?"

You bastards. I won't let you get away with it.

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Elric Melvinger. The sole heir of the prestigious magic family. Though he possessed innate talent, he had too much talent, and as such, could not learn magic. However, he then received a blessing left by his ancestors! [Eat demons.] [Swallow demons.] [Drink demons.] [Continue to keep accumulating demons within yourself, and achieve new magic!] Reach high. Reach a height so high that no one will ever reach me.

The ‘Ten Masters’ had kept each other in check and maintained the balance of power and order of the world beyond human limits, until Baek Dohyun showed up with the strongest power ever!