on january 9, clc held their first solo japan fanmeeting at tower records in tokyo. on january 17, 2017, clc released their fifth korean ep, "crystyle". it marked a revamped image for the group, with a more charismatic, hip-hop concept. the ep contains six tracks including the edm/trap lead single "hobgoblin" (도깨비), which was co-written by seo jae-woo, big sancho, son yeong-jin, and hyuna. "crystyle" debuted on billboard's world albums chart at #6, while "hobgoblin" peaked at #4 on the world digital song sales chart. on may 27, the group held the first fan-meeting for their fan-club, cheshire, "2017 cheshire entrance ceremony". it took place in the olympic hall muse live in seoul.