It's a denpa game. If the MC becomes a better person in the future, it will be after something horrible happens.Will mc become a better person somehwere in the future that he is at this points in the game,becouse the curent Mc is as he is constantly reminding is bad(thankfully not horrible)and its somewhat of a downturn in game enjoyment despite its being a game of awesome quality!
Also how is the MC not horrible already, trying to sleep with his entire class and their mothers while keeping it a secret from all of them and clearly being aware of how bad this is?