The song is a vibrant dance-pop track with prominent synth melodies, showcasing Apink's signature bright and energetic sound.
- "Mr. Chu" was released on February 18, 2015, by Universal Music LLC.
- The single features a prominent dance-pop and synth-pop sound.
- The release date places it in the group's early-to-mid career, following their 2014 release "Pink Luv."
Apink is a South Korean girl group formed by IST Entertainment. They are known for their "innocent" and "elegant" concept.
Tracklist
