The Disposable Bride Knows Her Husband’s Secret

Astrid grew up mistreated as the marquis's illegitimate daughter. Through a political marriage, she is sent to marry into the Valric family — a house that rules over a borderland plagued by dragons and is rumored to possess the power to control them. However, behind the arrangement, her father gives her a secret mission: "Find Valric's weakness." As Astrid lives with her cold and highly guarded husband, Cassian, she gradually comes to experience his clumsy kindness — and her heart begins to waver. Then, triggered by a certain incident, she discovers a secret that must never be revealed to anyone: the fact that he himself can transform into a dragon...?