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Throughout the world, チアキ (Chiaki , チアキ , Tiaki ) is quite a rare mostly female, but infrequently masculine given name. The given name チアキ is characteristic of Japan, where it is quite a rare primarily feminine, but very seldom masculine name, Hong Kong, where it is a rare girly name, and Australia, where it is a rare unisex name. In absolute terms, it is the most numerous in Japan, the United States, and Indonesia. More prevalently, チアキ is the last name as well as the forename.
チアキ is also a name for the fictitious and mythical characters: Chiaki Mamiya , the fictional character from The Girl Who Leapt Through Time; Chiaki Ōgaki , the fictional character from Laid-Back Camp; Chiaki Kanda , the fictional character from Atsumare! Fushigi Kenkyū-bu; Chiaki Nanami , the fictional character from Danganronpa 2: Goodbye Despair and Chiaki Sakashita , the The Fruit of Grisaia's character.