I Fell into the Game with Instant Kill

I fell into a game world out of nowhere with an instant kill skill.And then somehow, I became a bigshot. 즉사기 들고 게임 속으로 Korean Gyaol GalaxyTL 2021 Adventure, Comedy, Fantasy, Mystery, Action Calm Protagonist, Clever Protagonist, Conditional Power, Demi-Humans, Demon Lord, Demons, Depictions of