Our little love tale - Ace x Reader

(Last Name) (First Name) is an orphaned daughter of a long deceased noble (but humble) couple who owns a world wide business company. Having been left with the fortune of the family, as well as responsibility of managing their business and unknowledged of any living members (first name) leads however a sad, empty life, the constant surrounding of her household members and few sympathetic faces from the nearby village she resides in not being enough to fill that hole in her heart. until this nonchalant character makes his appearance surprising her and making a full 360º loop into her life. will she find happiness or sorrow by his side?