kemu is a producer, composer and the leader of a doujin group "KEMU VOXX". All of his songs have been well received and all eight songs he has published have reached the Hall of Legend status.
All of the VOCALOID works he created are part of a series most commonly referred to as the "PANDORA VOXX" or "KEMU VOXX" series. The series have been confirmed to receive a light novel adaptation starting from June 2013.
kemu has also composed the music for several visual novels, games and anime projects. For his non-VOCALOID work he uses the name Kemu Tsukamoto (塚本けむ).
After the release of kemu's last song "Haiboku no Shounen" (敗北の少年) in May 2013, He mysteriously ceased all activities on his Twitter and piapro account leaving many to question whether he is still active. His last post on his twitter was on May 20, 2016
kemu is currently a member of the band "PENGUIN RESEARCH" signed under Sony Music Japan. He goes by the name "Shota Horie" and is the bassist as well as the composer for the band.
Although kemu released a short piano arrange of "Haiboku no Shounen" (敗北の少年) on Nov. 2015 through ke-san β's channel, it is unclear whether he will resume VOCALOID related work.