Itsuwari no Daishou

From fictiondb:
It startles the life out of her to come home and find a man in her bedroom! But even more so when Varnie Sutton discovers that the man is CEO Leon Beaumont, her brother's boss! Leon is using Varnie's country house to avoid the media, but when Varnie discovers that her brother's job is at risk if she doesn't let him stay -- they're stuck with each other! Especially when it's splashed across the front pages of every newspaper that the couple have just become engaged...

Jessica Steele's classic love stories will whisk you into a world of pure romantic excitement. Get ready to be swept off your feet by perfect English gentlemen!