Suterareta Yuusha no Eiyuutan - Story 3-7:『Frivolous Person』

A young man woke up to a world of magic and endless possibilities.He was transmigrated.Great!Only that he now had three huge problems.One, he had no memories of his past.Two, he was a villain destined to die no matter the outcome.And three, the heroines were all kinda... should he say, obsessed?Yeah, he was fucked.[Note]No Yuri.Conflicting emotions of MC due to loss of memory for the first part.Huge plot twist, so don't fall for whatever you see.NTR? Not.But probably netori.Beta MC? Big No.Harem? Yes! Don't ask me how but I'll make it possible.

On one spring evening when I was eight years old, I, Erica, Duke of Aurelia’s daughter, realized something.

An accident gave Ye Han a magical ability to see through. Since then, his life has become rich and colorful. He has developed the strongest business empire, dominated the gambling world, and rejuvenated his medical skills. He has become a master of medicine and Taoism. The goddesses rushed towards him one after another. As a man, and a limited edition man, Ye Han was under a lot of pressure and had to go on an exploration with a few tomb robbers. However, a shocking secret from ancient times to the present gradually emerged. in front of him!

- Description from novelbuddy

“I'll take this child.” Sold to the Wudang Sect's outer martial arts training hall for three silver coins at a young age, Kwak Yeon dreams of mastering supreme martial arts. But can he overcome the needle-sized gateway barely permitted to trainee instructors and rise to become a disciple of the main sect? “A true gentleman cannot stand idle in the face of injustice!” Thus begins Kwak Yeon's unyielding journey through the martial world, following the ruthless principle of “Kill Buddha, Kill Ancestors”—destroying all obstacles in his path!