The students of the Geijutsuka Art Design Class study all the various fields of art, from sketching and painting to graphic design and photography. While the mischievous Noda is always thinking up new ways to have fun with her partner in crime - tomboy Tomokane - the ditzy Kisaragi is content with doodling cats in her sketchbook. With Namiko attempting (and failing) to keep the energetic duo in line, the quiet and mysterious Kyoujyu seems happy to observe the odd behavior of her classmates. Whether they are transforming a congealed lump of paint into a sculpture of a pudding, playing ‘colour tag’, or making thought collages, the gang live their life to the max through both their friendships and their art.
Yamabuki High School attracts many art students due to its special art classes. Among the school's new pupils is Yuno, who dreams of becoming a famous artist. She lives in the nearby apartment complex Hidamari-so, along with the hyperactive classmate Miyako, the weight-obsessed Hiro and the tomboyish Sae. Together, the students live their day to day lives, including investigating the school's bizarre myths and deal with their cosplaying teacher. But whether they are in school, at the apartment or out shopping, working or playing, the four friends always manage to have fun in the process!
Both Hidamari Sketch and GA: Geijutsuka Art Design Class are 4-koma moe slice of life manga that focus on high school girls specialising in art based subjects, thougj Hidamari is more Slice of Life and GA leans more towards wacky comedy.