"Dry Brushes" is an original song that was produced by Karane. It was originally sung by the UTAU, Kaibara Daiki (ROOT voicebank), which was uploaded on April 3, 2014. It was eventually given a VOCALOID succeeding version sung by YANHE. The YANHE version became much more popular than the UTAU's, as at the time of the VOCALOID version's release, the original still had less than 10,000 views. This song had exceeded 100,000 views on bilibili.