Its a UNIQLO edition chibi. UNIQLO are a company originating in Japan who make clothes, the UNIQLO chibis were designed by some of the head designers at UNIQLO, and although they're special edition, they aren't particularly rare.
There was a few different editions of the Uniqlo chibis,
They also made a very, very pretty Uniqlo Tamagotchi School. This is pretty HTF.