Kaleidoscope of Death - Chapter 111: Doll Mary

They stole his future. Now, he’s rewriting reality.Ryan was at the top—champion of the world’s biggest VRMMO, but one wish changed everything.“I wish I could start over.”The Orb of Wishes granted it. Literally. Time snapped backward. The world unraveled. And Ryan woke up years in the past, holding his younger sisters close in a rotting apartment, broke and desperate.This time, he’s not starting from scratch.He remembers it all. Every hidden boss. Every bugged quest. Every game-breaking secret. While the world waits for the launch of Kingdom Forge, Ryan prepares to tear through it like a storm.But when he logs in, something glitches.His old character is locked. His class is reset. His power? Supposedly gone.Then the system flashes something strange:[Access Granted: Legacy Bank Synced][Warning: You were never meant to exist.]Ryan grins. He doesn’t need a strong class. He doesn’t need fair odds. He has what nobody else does—endgame knowledge in a beginner’s world, and an account holding gear, gold, and exploits that broke the game once before.He’s done being a pawn.This time, he’ll become the glitch the system can’t contain.

Yo, Hi! I’m Frank, I made a deal with a demon to pay me some money for receiving a guest for a few days every week.
I had no idea about what I have done.
On May 1st, Conan ‘the God of Death’ came to my house. I was forced to let him in and we get involved in a criminal case.
On May 8th, Bruce Wayne ‘Batman’ came to me. I was forced to follow him to fight crime.
On May 16th, Hannibal Lecter, The Silence of the Lambs, came to my home. I can only say that I really can’t stand my guests.

- Description from Novelupdates

This novel is also known as Almighty Video Game Designer

Chen Mo a game designer got sent to a parallel world with advance technology but undeveloped game concepts.

Watch as he redefines the world’s gaming industry with the games he remade from his old world.

- Description from Novelupdates