https://www.lightnovelworld.com/novel/death-is-the-only-ending-for-the-villain-novel-22021529 here's the link for the novel
From what I remember on a post its cause he's a Yandere and his affection gets high to quickly and his affection decreases quickly as well.
Point is he wants Penny all to himself, he wants to be her sole support in this world. He wants her to only relie on him.
So when Penny actually has her family treat her better and gets into a relationship with the Crown Prince. He goes to find the lost heroine and brings her back.
Just so everyone can abandon her agin and he will be the only one to stay be her.
I think this is right. If I'm wrong, those who read the novel dont hesitate to correct me
Half right. Shes focused on getting him to the 100% so she can win the game before the hard ending to save herself. He ruins it because he knows she's using him and she won't leave with him. So he brings back Yvonne so she'll be kicked out but when it doesn't go down like that is when his complete yandere side comes out.
I really am confused now, who exactly is the ml?