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Across the world, Каору (Kaoru , Kaworu , Caol ) is quite a rare gender-neutral first name. The first name Каору is characteristic of Japan, where it is quite a rare unisex name, Hong Kong, where it is a rare female name, and Australia, where it is a rare dominantly female, but seldom male name. Not in comparison with a country's population, it is the most numerous in Japan, the United States, and China. Much less frequently, Каору is the last name as well as the forename.
Каору is also a name for the fictitious and mythical characters: Kaworu Nagisa , the character from Neon Genesis Evangelion; Kaoru Niimi , the Anime character from Star Blazers 2199, Space Battleship Yamato 2199; Kaoru Seta , the fictional character from BanG Dream!, BanG Dream! Girls Band Party!; Kaoru Shimizu , character in Major 2nd and Hanayama Kaoru , the fictional character of the Baki the Grappler franchise, among other works.