Trustin is a Grand Duke from the southern region who has always been trusted to lead war troops. his attitude was very cold, serious and indifferent. Trustin has a wife whom he married 3 years ago named Qayyla, but Trustin has always been indifferent towards Qayyla. Qayyla always looks for attention to win Trustin's heart because Qayyla knows that one day her cold husband will open up to her, and Qayyla never gives up