The Guard Dad With a Secret

Li Qingshan is a widowed middle-aged man whom everyone has written off as a nobody. His life takes an unexpected turn when a rising tycoon insists that he is her father, and he finds himself pulled into a world he never expected to enter. Beneath his quiet exterior lies a past that others would rather keep buried, and the people who once dismissed him are about to learn that he has not been as powerless as they assumed.