I Corrupted the Good Male Lead

Reading I Corrupted the Good Male Lead manhwa, I Corrupted the Good Male Lead manga with alternative name: I Corrupted The Good Male Protagonist with Description: I possessed the friend of the male protagonist who suffers from an incurable disease. I just wanted to play a lot and enjoy my short life before I die, but the good male protagonist keeps interrupting me. It was sickening so I tried to coax him into the path of evil… Well, he suddenly turned into a villain. Is this my fault….?