Manga Time Kirara Carat is a Japanese seinen manga magazine published by Houbunsha and mainly consisting of four-panel comic strips. The first issue was released on 18 January 2003.

Hidamari Sketch is a Japanese yonkoma manga series written and illustrated by Ume Aoki. It follows a group of young female art students, and following their daily lives as close friends and neighbors at the nearby Hidamari Apartments. The manga has been serialized in Houbunsha's monthly magazine Manga Time Kirara Carat since April 2004, with its chapters collected in ten tankōbon volumes as of March 2020. Since 2008, Yen Press has licensed an English translation of the series in North America under the title Sunshine Sketch.