My Husband, The Hidden Heir

Xavier has been a live-in son-in-law in the Lowell family for three uneventful years. When the Lowell Group is on the verge of bankruptcy, Aria Lowell's Grandpa forces her to divorce Xavier and marry Don Warren in exchange for 100 million in funding and a 50 million betrothal gift. Aria refuses. Witnessing this, Xavier reveals his identity as the Third Young Master of the Xavier family, helping the Lowell family overcome the crisis.