KADAKADA (YOIKADAKADA) is a Beijing based fashion brand. Founded in 2011 by 66Aaron (Li Aaron), 66 is not only the director of the clothing studio, but also the designer. After graduating from university, he studied fashion design at Bunka Fashion College in Japan, and then enrolled in Yokohama National University's research club to study fashion design. In 2010, Aron was also in charge of YOHO  magazine in Japan.

In collaboration with New York artist MENELEK, he participated in New York Fashion Week 2019. In September 2017, KADAKADA presented its Spring/Summer 2018 collection at London Fashion Week in collaboration with GREENGODE and Semir. Featured in ELLE MEN, YOHO and more.