The Broke CEO's Fated Bride

Gu family grandson saved by female lead's Grandpa Grant, leading to a marriage pact. CEO Grant pretends to be broke to test the female lead. Female lead rejects parents' demands, chooses broke male lead, they sell boxed meals. Her parents plot against and smear her. After male lead's identity is exposed, female lead refuses to rely on his wealthy family, works hard with cooking skills, clears her name. After storms, they marry.