Harukaze Mika — https://www.pixiv.net/en/users/107690

Also known as MincePie

K-ON! Anthology Comic ch03: Hallelujah! released Jun 5 '11 4-koma Anime Comedy Music School life Spin-off

Hidamari Sketch Anthology Comic ch05: Lotus Hidamari Sketch Doujin released Sep 1 '14 Comedy