Why Women Cheat

The male lead is the king of a small island nation. He was previously badly hurt by the female lead. The female lead has a canine tooth that makes her look extremely captivating when she smiles. When the female lead vanished, the male lead became extremely fond of sleeping because he did not want to miss her. As fate would have it, the male lead married the female lead in the end. He decided to properly torment that adorable yet horrible woman for a while