How to Ruin a Romantic Comedy

I intervene in all events of the game. And take them away. ... A frustrated player who hated the original ending gets reincarnated into a romance game, but instead of becoming the protagonist, he becomes a delinquent side character. Armed with knowledge of every event, he decides to rewrite the story and steal the heroines' routes from the original protagonist. ... Note: 5 chapters will be released weekly every Monday through Friday. No AI, No Yaoi, No NTR, No Pedo. — Description from novelcodex.org