Sakayama Shinta http://umehatago.syoutikubai.com/

https://twitter.com/sakayama_shinta
https://www.pixiv.net/member.php?id=303943

K-ON! Anthology Comic ch01: Underclassmen released Jan 18 '13 4-koma Anime Comedy Music School life Spin-off
Third Years After School K-ON! Doujin released Jul 29 '13 Himeko x Yui Yuri
K-ON! Story Anthology Comic ch03: Messing with Okuda-san released Apr 17 '19 Anime College Comedy Spin-off
Let's Play With Ah-chan It's Not My Fault That I'm Not Popular! Doujin released Sep 21 '19 Akane x Nemoto Defloration Lots of sex NSFW Nemoto x Tomoko Reversal Toys Yuri