The War God Cheated, So I Married Death

On their third anniversary, Penelope discovers her husband, the God of War Arthur, is cheating with a Siren. Heartbroken, she trades her identity to become the Underworld Queen and leaves him. As Arthur uncovers his mistress's deception, he descends into madness and regret. Despite his desperate attempts to win Penelope back—even sacrificing himself to save her—she coldly rejects him, leaving him to die in despair while she rules supreme.