MTL - Super Card System - Chapter 664 Mediation of Gaji

After a brutal day on the construction site,Jaxon collapsed onto his cot with nothing but sore muscles, a cheap dinner, and a phone in hand. Out of boredom, he picked up one of those mindless urban web novels—complete with arrogant young masters, all-powerful protagonists, and women falling in love every other chapter.“Who writes this garbage?” he muttered, tossing his phone aside and cursing the story, the characters, and the plot that made no damn sense.Then he woke up inside it.Not as the protagonist.Not even as comic relief.He’s the villain—the arrogant heir of a wealthy family destined to be publicly humiliated, slapped down by the protagonist over and over again.

A high school student that has lived as a mob-character ―― Mimori Touka

The Swordmaster who has returned by chance to save the world!

He Lang died by his own hands for the sake of his imperial younger brother’s ambition, whom he loved. He was offered to be reborn in exchange for giving up his past romantic feelings. Reborn without the burden of his romantic feelings, he brings with him a manual to new worlds. He wholeheartedly followed the instructions of the manual to complete the tasks, not knowing that the originally slag gong was blackening…
He pleaded to his affectionate Emperor brother to release him, he pleaded to the paranoid prisoner next door, but until the end he remained baffled.
In the end, he discovered that the full name of the manual was – “Slag Shou Cultivating Manual”
Σ (っ ° ° °;) っ!

- Description from Novelupdates