Suzushiro Seri https://twitter.com/suzusiroseri

http://5seri.kalin.to/

K-ON! Anthology Comic ch07: SawaNodo! released Apr 26 '10 4-koma Anime Comedy Music School life Spin-off
K-ON! Anthology Comic ch02: NodoSawa released Dec 30 '12 4-koma Anime Comedy Music School life Spin-off
Hidamari Sketch Anthology Comic ch01: Today's Meal x365 Hidamari Sketch Doujin released Nov 17 '13 4-koma Comedy