There's barely any romance and not even a harem but because the mc is so good looking, every woman that sees him instantly falls in love with him and treats every other man as garbage. He can causally take a stroll down a street and hundreds of women will instantly have their hearts stolen and only wish to be with him. After he was thought to be missing for 100 years, all these women were still waiting for him and haven't married. It's funny because he hasn't done anything to attract them or say he would accept their feelings