MTL - The Rebirth of 88s Begins with a Carpenter - Chapter 16 A house is not a home, someone is a home

A former sporting rifle shooter genius transforms into the ‘Juvenile Butcher’. While originally supposed to have received the death penalty, he was instead fortunate enough to have entered a secret and highly regarded armed force, throwing himself into the ‘Nirvana Project’.

After a period of 10 years, he now has time to freely recover. Having trained until he had excellent military and martial skill, he sweeps through various military districts and returns back to his hometown. Under the monitoring of a beautiful female cop, he re-establishes his family’s bodyguard service, protecting beauties and moving unhindered, his achievements causing the fame of his outstanding, god-level bodyguard service to resound across the world!

- Description from Novelupdates

Wang Yi had just transmigrated when he experienced being cheated on, going through a divorce, and being kicked out of his home. These were events faced by a useless male character.

However, he soon discovered that this world seemed out of sorts. There were martial arts grandmasters and martial arts clans?

Fortunately, he activated the Martial Arts Sign In System.

[You have successfully signed in and obtained the Dragon Elephant Wisdom Technique. Please cultivate according to the instructions.]

Thus, Wang Yi kept signing in until he leveled up and became a martial arts grandmaster. After that, he discovered the truth behind his wife’s affair.

An ordinary (?) grandfather, Choi Chuntaek. In an effort to protect his granddaughter, he started the virtual reality game 'Arkstar.'

Then... he accidentally obtained a legendary class?

Everyone in the City of Jing thinks that bestowment of marriage between Xian Junwang and the daughter of the Yi’an Marquis House is to insert a fresh flower into manure.