Bro, Want a Cheat Code?

After Kong Chen transmigrates, he gains a golden finger: he becomes the owner of a buff shop. He discovers that his shop connects to myriad worlds, and soon a shop that specializes in selling buffs appears across the myriad worlds. Its customers are all either powerful figures or protagonists.

Buff effects: Beginner: 10x, Intermediate: 100x, Advanced: 1,000x

"Tanjiro, want to train even faster?"

"Tsunade, want to bear the name of the Senju of the Forest once more?"

"Whitebeard, want to save your son Ace?"

Kong Chen smiles and asks, "Brothers, want to use cheats?"

Also known as: Even Supporting Characters Can Use Cheats! The Protagonist Isn't Always the Strongest! Using Cheats Feels So Good. Protagonists, the times have changed!...

This novel and its characters are entirely fictional. Any resemblance to actual people or events is purely coincidental. Do not imitate.