カイは聖書に登場しません。海は登場しますが、ロマンチックなものではありません

Kai is not in the Bible. It is several unrelated names that happen to sound the same, and the most common of them means the sea. Where Kai comes from There is no single origin, which is unusual and worth stating plainly. In Hawaiian, kai means sea or sea water. In Japanese it is written with several different characters and can mean ocean, shell, or forgiveness, depending on which is chosen. In Scandinavia and Germany, Kai has been in use…