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Around the world, Кеи (Kei , Кеи ) is quite a common gender-neutral first name. The first name Кеи is characteristic of Eastern Asia, particularly Macao, where it is a common gender-neutral name, Hong Kong, where it is quite a common unisex name, and Mongolia. In absolute terms, it is the most numerous in Hong Kong, Japan, and Indonesia. Also, Кеи is the last name as well as the forename.
Кеи is also a name for the fictitious and mythical characters: Kei Shirogane , the fictional character from Kaguya-sama: Love is War; Kei , the fictional character from Dirty Pair; Kei Tanigawa , the fictional character from Akebi's Sailor Uniform; Qin Qi , the fictional character in Romance of the Three Kingdoms and Kei Kamatori , the No-Rin's character, among other works.