MTL - I Have a Store In the World of American Comics - ~ One thousand three hundred and forty-one

Some people begin their lives with the odds in their favor but end up failing miserably.

Lin Jingzhe, having suffered many losses and setbacks, returned to his eighteen-year-old self just before failing his college entrance exam.

Business opportunities were everywhere in the early 1990s when the Chinese economy started taking off.

Now, this golden age would be his.

- Description from Novelupdates

Leo awakens in a world he doesn’t recognize, with no memory of who he is or why he’s there. All he knows is that survival isn’t just a necessity—it’s his only chance to uncover the truth.Thrown into a brutal test for assassins on a hostile alien planet, Leo quickly discovers an extraordinary instinct for combat and evasion—abilities that feel second nature, yet remain a mystery even to him.But as the blood-soaked trials unfold, whispers of his lineage begin to surface. In a universe where gods are eternal and invincible, Leo carries the blood of the one being who defied that rule: the Timeless Assassin, a legend feared by mortals and deities alike.Now, hunted for what he represents and burdened by a legacy he can’t yet comprehend, Leo must forge his path through a deadly labyrinth of enemies, alliances, and cosmic conspiracies—all while piecing together the fragments of his forgotten past.For in the shadows of his fractured identity lies a truth that could shake the heavens themselves.

Ron finds himself reborn in the world of One Piece, stranded on a remote island in the East Blue. But he's not just any ordinary child—he’s bonded to a mysterious sign-in system that grants him powers with every new location he visits.At his first sign-in, he unlocks the legendary Sun Breathing Technique, along with a boost to his vitality. From Shitmotsuki Village to Skypiea, Enies Lobby to Marineford, Ron travels the world, collecting extraordinary rewards that make him a force to be reckoned with. The Raikiri, one of the 21 Great Grade Swords, Armament Haki, Observation Haki, and more fall into his hands.As Ron steps onto the battlefield of Marineford during the legendary Summit War, the mightiest warriors—Four Emperors and Marine Admirals alike—pause, stunned by his presence. But Ron merely waves them off, “Don’t mind me. I’m just passing through.”Join Ron on his journey across the Grand Line as he signs in at iconic locations, growing stronger with every step. This is not just an adventure—it’s a legend in the making.

The dawn era after the end of the half century has gradually rebuilt the order, abandoned civilization, and is full of undivided violence and desire.
The noble and powerful pioneers are in charge of the city, and the evil and mad plagues are in the wilderness.
Pure human beings who cannot mutate are the weakest, dominated by the rulers of the pioneers, and are not as good as animals in the wilderness.
A purely humanized young man with a worldly experience has quietly entered the WTO, holding a three-foot long knife and a long-distance desire to boil in the world of purgatory. From the nameless name to the sorrow of the Supreme Court, the name of the black ride is resounding!

- Description from Uukanshu (translated)