kuromitu — https://www.pixiv.net/member.php?id=82284

Also known as kuromitu, Kageneko. (circle), and Kage Neko

Change! Nanoha Doujin released Jun 27 '13 4-koma Body swap Comedy

Ein-"Heart" Nanoha Doujin released Jul 5 '13 4-koma Comedy Einhart x Vivio

Strike Out! Nanoha Doujin released Jan 16 '17 4-koma Comedy Fuuka x Rinne

Princess of Smiles Nanoha Doujin released Aug 31 '17 Fuuka x Rinne Subtext