Girl, I'll Teach You Cultivation - Chapter 49

After living in a desolate land, where there wasn’t even a single blade of grass and hunger was an everyday reality, Min Sung finally returns to Earth: his home.

A con-man and policewoman that are legends of their respective professions suddenly die, then are reincarnated and return to the Tang Dynasty of ancient China as little kids.

Accepting their second chance and forced restart, they choose to use the modern knowledge and specific talents that they have in their previous lives in order to live comfortably in this new life.

- Description from Novelupdates

Su Qin crosses into a world where martial artists run rampant, where Buddhist monks from the Yuan Dynasty dominate the world. Jiuyang’s successor’s fist conquered the mountains and rivers, and Xiao Li’s flying knife smashed through the void.

Because Su Qin had no martial arts qualifications, he could only become a sweeping monk in the Shaolin Temple. At this time, the ‘Sign In System’ was activated.

Sign In in front of Buddha’s Golden Body, get [Buddha’s Palm].

Sign In in front of the Arhat Hall, get [Invincible Vajra Divine Art].

Sign in at the back mountain of Shaolin Temple, get [Golden Demon Body].

The Shaolin Temple was riddled with treasures, and you can sign in everywhere.

Su Qin decided that he would never leave the mountain without Signing In to everything in the Shaolin Temple. And so, he Signed In the Shaolin Temple for twenty whole years!

Twenty years later, the Shaolin Temple got mixed in the battle between the Righteous and Evil.

The Demons were fierce and powerful, they blatantly invaded the Shaolin Temple and were pushing forth with great force, but that is until they met Su Qin who was sweeping the floor…