[Original Webtoon](https://www.comico.jp/comic/6981)

He’s the pirate prince who dominates the seas. Who will he choose as his bride? After escaping from her ex-husband, Samia is basically penniless when she arrives at the port of southern France. Just as she’s about to be kicked out of a fancy bar, a man in plain clothing rescues her and takes her to the Black Diamond, a giant yacht owned by the prince of Madlena. When she sees a sailor bow to her savior, she realizes he isn’t just any old crew member—he’s the pirate prince Luca!

An older brother who is deeply involved with the family "courier" business (smuggling) always has his very young sister Elysia accompany him on his dangerous missions. Why? Because it's related to the "strange ability" the girl possesses... Source: Shogakukan