Accidentally Bound, Eternally Loved / Wrongly Married My Mr. Right

Sean Miller and Lily Smith accidentally get married. During a robbery, he rescues her while hiding his identity behind a mask. He later asks for a divorce without revealing that he was the one who saved her. But Lily hopes to continue the marriage until her grandpa passes, so the two agree to stay secretly married for a month. As they continue living together, they gradually realize their connection is destined from the very beginning.