Upon its release, "Kanariya" received mixed reviews from music critics, with some of them praising the original and radio edit, but generally criticizing the remixes. Commercially, the single experienced success in Japan, peaking at number one on the Oricon Singles Chart and TBS' Count Down TV chart. It sold just below its 300,000 restricted copies, and was certified Gold by the Recording Industry Association of Japan (RIAJ) for shipments of 200,000 units. An accompanying music video for the recording was directed by Wataru Takeishi, with it portraying Hamasaki in a dark laboratory surrounded by keyboards and electronic devices. To promote the single, it appeared on several remix and greatest hits compilation albums released by Hamasaki.