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In the world, Nayu (Nayu , Наю) is quite a rare gender-neutral first name. The first name Nayu is characteristic of Ethiopia, where it is a rare epicene name, Indonesia, where it is a rare largely feminine, but uncommonly male name, and Peru, where it is a rare female name. Not in comparison with a country's population, it most frequently occurs in Indonesia, Ethiopia, and India. Also, Nayu is the last name as well as the forename.
Nayu is also a name for the fictitious and mythical characters: Nayu Hasegawa , the fictional character from Ro-Kyu-Bu! and Nayu Hayama , the Chuu-Bra!!'s character, Chu-Bra!!.