Martial arts

After being held in disdain and having his life put in danger, an orphan from the Demonic Cult, Cheon Yeo-Woon, has an unexpected visit from his descendant from the future who inserts a nano machine into Cheon Yeo-Woon body, which drastically changes

I want an S-Rank skill too! I want it so badly, I could die for it![You have awakened an S-Rank skill.] [But it only works when you die.]HUH!? WHAT'S THE POINT OF GETTING ONE IF I DIE !?

Awakening SSS-Rank skill after a Kiss manhua , The beginning of a strong kiss with a woman, but also awakened the SSS-rank skill, what is this operation? A young girl with a good heart, a genius with a good heart, a queen of evil spirits with a flirt