C³, also known as C Cube (シーキューブ Shīkyūbu?) or Cube×Cursed×Curious, is a Japanese light novel series written by Hazuki Minase and illustrated by Sasorigatame It was adapted into a manga and anime series at the second half of 2011. The series is published by ASCII Media Works under the Dengeki Bunko label. The series is now completed with 17 volumes.