"Closer" ("한 끗 차이") is the second digital single by KNK. It was released on April 28, 2018 and is sung by the group's vocal line: Jeong In Seong, Kim Ji Hun, and Oh Hee Jun.
- "Closer (한 끗 차이)" - 4:23
- "Closer (한 끗 차이) (Inst.)" - 4:23
Community content is available under CC-BY-SA unless otherwise noted.