Komusou

K-ON! Anthology Comic ch03: Stranded! released Dec 30 '12 4-koma Anime Comedy Music School life Spin-off
Hidamari Sketch Anthology Comic ch09: Hidamari Sea Story Hidamari Sketch Doujin released Nov 17 '13 Comedy Swimsuits
K-ON! Story Anthology Comic ch10: Fresh Leaflets released Sep 21 '19 Anime College Comedy Spin-off