The Marquis and the Mother-To-Be: Harlequin comics

After many years, Karissa has finally returned to the Caramel kingdom to secure her dream job of managing a boardinghouse. Upon her arrival, she meets the son of a major noble family. This very man was her first love and had cruelly rejected her affection. Painful emotions, unhealed by time, run wild in her heart. As she's reeling from this encounter, she learns something even more unsettling: he's the owner of the boardinghouse that she's been hired to run.