K-Master [Hangul: K-맛텔] is a three-member boygroup from South Korea, under the management of Amoeba Culture. Formed in 9 May 2012 . The group's members are Choi Jiyong [Kira], Choi Kwangjun [Kuro], Choi Inseok [Kaito].
Official fans name is Ace
Color fandom is Red 'Fire'