Princess Sereniel was once a beautiful royal beloved by her people. But one day, she was struck by a mysterious curse that left a hideous mark on her face. From that moment on, she was scorned and feared as the “Monster Princess.” Shunned by her parents and gradually isolated from everyone around her, Sereniel found solace in the one person who never changed, her loyal knight, Kasel. Though Sereniel harbored feelings for him, she tried to bury them out of guilt over her cursed appearance. But during a royal party one night, she ran into Kasel, who had been drugged with an aphrodisiac, and they ended up spending the night together. Afterward, the king ordered them to marry. Yet even as their wedding bound them together, Sereniel was overwhelmed with guilt, believing she had stolen Kasel’s chance at happiness. Wishing to set him free, Sereniel asked for a divorce. But what she heard in return was something she never expected. “I have no intention of letting you go.” Sereniel is convinced she’s unworthy of love, while Kasel can’t bear the thought of losing her. How will their heartbreaking and tangled romance unfold?