I Corrupted the Good Male Lead

I Corrupted the Good Male Lead mamhwa, 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.?I Corrupted The Good Male Protagonist