Elegant Killing: I Became the Villain Behind the Scenes

[There is no heroine, no cp in the main text, there is a cp (male) outside the episode, the protagonist is a villain with a personality and style, and he must retaliate] Nan Yuan traveled to another world. This place seems to be the same as the Earth Star, but it has a special power. He happened to yearn for power and got the killing system, gradually becoming a villainous boss-like existence. Nan Yuan smiled gracefully when other strange people awakened their psionic powers: Psychic power? Evi...