The CEO's Substitute Bride

As a substitute bride, a top singer marries a CEO pretending to be a cripple. They fall deeply in love. He creates a variety show for her. He is drugged by his brother and found unconscious with an A-list star. She sees this and leaves in anger. She is hit by a car arranged by the second male lead and gets amnesia. The second male lead takes her abroad, where she discovers she is pregnant. She gives birth to a son and a daughter, and returns five years later.