Two protagonists who were born on the same day and are destined to be "childhood rivals." Their relationship begins with frequent childhood fights and evolves into a series of heated arguments and playful teasing as adults. Throughout the story they experience intense passion, misunderstandings, and occasional betrayals, but gradually uncover each other's true feelings. The narrative builds up to a climax where external schemes and personal doubts are resolved, leading the pair to a happy, "designed" union. The novel's tone mixes humor, emotional tension, and a gradual deepening of love, typical of contemporary Chinese romance literature