Anna has absolutely no interest in men, except when it comes to the prince of her favorite video game. On the surface, she's a highly capable secretary and beautiful, too. But when no one's watching, she's a complete maniac for her fave. Her world is turned upside down when a client, a handsome vice president, Takumi, suddenly brings out a contract asking her to marry him?! You don't want to miss this romantic comedy where love starts with a contract!
(Source: MangaPlaza)
— Description from AniList community (anilist.co).