Great Doctor Ling Ran - Chapter 1 - I am Not Mentally-Ill

This is a story about Gong Lixin who was the young master of an ancient underground palace in the ancient times. He was raised by his master and forced to partake sexual relationships with numerous people to cultivate his Yin Body. His master who has a Yang Body was going to absorb him after he has reach a level to become stronger. MC refused and killed his master also dying at the same time. Then he transmigrated to the modern time and thinking he will enjoy peaceful life, the end of the world arrived.

Being someone with no special powers except for his martial arts, see how he use his martial arts to dominate the times and find his lovers.

- Description from Novelupdates

In the year 298 from the era of the gods, elementary school girls Sumi Washio, Sonoko Nogi, and Gin Minowa are tasked with an important mission. They are to become heroes and fight Vertex, a mysterious enemy that is attacking Shinju-sama, the god tree that protects Shikoku, the only area in the world that is still habitable. What they don’t know, is that this fight will cost them more than they could have ever imagined.

What is martial arts?Martial Arts has nothing to do with musical instruments, chess, calligraphy, painting, treasures or secret manuals, nor is there so much talk about being the best in the world. Martial Arts is a technique, a method that gives the weak a chance to draw their blades against the strong.What is chivalry (xiá)?Chivalry is not about romantic affairs, traditional culture, or being gentle, respectful, frugal, and compliant. Chivalry is violence, it's the bayonet forged by those driven to Mount Liang to use against tyrants.Cao Mo pledged with a dagger, (Returning to) Lu to invade. Zhuan Zhu entered with grilled meat, (Pacifying) Wu to usurp the throne. Brother Zhang cried in the market, avenging his lord by defiling a lavatory. Suicide by cutting one's own throat to seek justice, acting while concealing his sleeve. The tyrant of Qin seized souls, the coward gained courage.This is a martial artist's story.In the 1930s, a group of like-minded young people came together, striving to change the world.Then, two hundred years later, in a garbage landfill, Xiang Shan, the Progenitor of Cyber Martial Arts who had once rebooted heaven and earth, woke up reciting the name of his enemy, having lost all his memories.“Perhaps it's because I lost back then that the world has become what it is...”“So this time, I won't be defeated again!”This is the story of a person changing the world once more!

Cho Kang-hyuk, the owner of a large fitness center, woke up to find himself a young disciple at Shaolin Temple.