Chocotto Sister(ちょこッとSister) is a manga series written by Go Zappa and illustrated by Sakura Takeuchi. It is published by Hakusensha in the magazine Young Animal and collected in 8 tankōbon volumes. The series has been adapted as an 24-episode anime by Nomad, airing in 2006 and released on 8 DVDs. It is also known as Chokotto Sister and Chocosis.