If you're looking for manga similar to Kill the Hero, you might like these titles.
A scatterbrained, talentless civil servant returned as the heavenly Demon. He now wished to live the rest of his life peacefully, as his days in the Murim world were full of conflict and bloodshed. However... "Please be my father until I graduate." He suddenly gained a daughter out of nowhere.
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Dungeons, monsters, hunters...
Two great stories with this kind of plot!
You have to read them, they are fantastic and pretty!
"Would you like to reverse time? All stats will be reset. Please pick a date." "February 28th, 1985. The day I was born." Wealth, I will seize all the money in the world. Monopoly, I will seize all the dungeons in the world. At this time, while the world is still peaceful.
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Both mangas are about returning in time and fighting against dungeons again - what is key difference to consider in season 1 of both mangas is that in KtH the story is about fights itself, in PLR it is about using knowledge about finantial world to prepare for fight.
Known as “Pet Shop,” Mr. Kim has the unique ability to absorb the skills of the creatures he eats. One day, Pet Shop is mysteriously transported to a magical world full of orcs, trolls, and monsters. A new world, new chow, and new skills. Now Pet Shop is determined to become the most powerful creature in the world. Follow his epic climb to the top of the food chain.
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In both universe people can gain skills.
Both of MC have been beatraied by colleg, after that thet have back in time or place.
Both of them are aiming to be apex predator
In both you can see MC who's killing varius creature (including humans)
Aaron Steelegard’s fortune was basically set as he discovered a book that allowed him to trade across dimensions—until his enemies take both his life and his riches away. But Aaron is brought back as his younger self, armed with his past knowledge and a chance at revenge! Now free to amass coins, he's gaining powerful abilities and moving up the ranks of the interdimensional trading markets. Will Aaron gain enough coins to survive this journey of vengeance and reclaim his honor?
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Both MC had death door after that they back in time. To get revange on they enemies.
Both MC know about future events.
When Chris, a one-armed mercenary with considerable experience and skills, swallows an artifact after an unlikely encounter with a savage looter, he finds himself back in the past as a 15-year-old lowly foot soldier... with both his arms. This time, he will not let his life take an unfortunate turn. This time, he will not let his friends die in vain. This time, he will use his knowledge and reach for the sky.
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Both MC had died and returned years back.
Both used their knowledge from the previous life they had to get stronger for their own goals. They were technical, cautious, and smart to their approaches, ensuring to not fail nor underestimate the challenges they know they'll encounter.
Joshua Sanders, the legendary spearman who ended the brutal civil war, shattered the belief that one must wield a sword to be a master knight. He fought in the service of his friend, Emperor Caesar Van Briton, but it is all for naught when his fearful comrades try to kill him. He’s on the brink of death when his trusty weapon, Lukia, shines and propels him back to the stables of his childhood. With his mighty spear in hand, Joshua is dead set on revenge in this life!
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Both stories start from the same premise of the main hero being betrayed, returning back in time and using his skills from past life to grow quickly and find a new path in the future.
In Aeria, a place where people from various worlds are summoned, the weak are destined to die. Lee Sungmin, a talentless mercenary, was no exception. Fortunately for him, a mysterious item he finds before his untimely death sends him back to the past. Now a 13-year-old with a second chance at life, Sungmin begins his desperate journey to become Aeria's strongest with no money or talent. The question is... will effort alone be enough to make a hero of a boy with absolutely nothing?
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After being put on trial, the deity once known as "The Divine Twilight" is offered a job by Thanatos, king of the underworld! Now, the fallen deity is back on Earth as his former self, Lee Changsun, and is tasked with sealing those trying to invade from beyond. With the promise of a fresh start, Changsun is gathering the gear and skills needed to get the job done, but he's feeling some watchful eyes on him... Will this Divine Twilight see a new day, or is the sun setting on his second chance?
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Concepts of MCa personalities are quite similar in a lot of ways - from betrayal to collection of items etc etc
The world is in constant turmoil, with constant wars breaking out between Heroes and Villains. Gifted with supernatural abilities, one lone girl sets out on a bloody path for revenge against the injustices of the world she lives in. With the constant clashes between titans, no one is safe. If no one is willing to protect the innocent, who are the real heroes, and who are the real villains? What truly separates one from the other?
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This is a very similar story but whilst Kill he Hero is based on time travel reincarnation with a male lead; Hero Killer is mainly pure revenge justice with a female lead. Technically both are about revenge though but the reset story undoes the reason for revenge in a way in Kill the Hero while Hero Killer is real ice type of revenge. Both cast heroes as malleable corruptible beings with human temptations and weaknesses. The most powerful heroes of both stories are vying to control the world despite supposedly being heroes. Both have a betrayal under subplot where the very institutions of heroes turned on and/or betrayed a character or characters that prompted seeking vengeance.