I'm Very Happy After Marrying the CEO Husband According to the Agreement - Chapter 26: Handsome, Beautiful

A teenager named Evan Mason was reincarnated into the magical world of Harry Potter and goes to school at Hogwarts!
With only his knowledge of the future and great talent for magic, he takes the path towards the top of the magic world, only to realize that ever step he took, changed everything!

- Description from Novelupdates

There is a way in the world here, and the manifestation of the way is a Gu.

When people practice, they cultivate the energy of heaven and earth all over their body to drive away Gu insects and display supernatural powers.

Traveling through a year, Chen Qing finally discovered his specialness on the day he contracted the first Gu worm. He was able to see through everything about the Gu worm…

So, he started to fight steadily, step by step on the road to longevity.

- Description from novelbuddy

He’s in the deepest part of Jianghu.

Keep your eyes wide open.

If you do not wish to get dragged into the abyss.

“I'm going out to do something, so I can't take care of you any more. You can go down the mountain and have fun. But if you can't find someone who matches your Innate Pure Yang Body in three years, you're finished!”These were the last words the old man, who was Lionel Yeager's teacher, threw to him before he vanished. Meanwhile, having mastered most of his master's skills, Lionel Yeager went down the mountain and took his first step into civilization for the first time in years.With his unparalleled medical and martial arts, he sets forth on a journey, befriending new allies and crushing all the enemies that stand in his way, as he attempts to resolve his Pure Innate Yang Body constitution, and cultivate to the top of the world!