Dontoko

https://twitter.com/whatsupnamin
https://www.pixiv.net/en/users/4419311

Kill Me Und Panzer +α by Dontoko and Motokazu Girls und Panzer Doujin and Kill Me Baby Doujin released Dec 14 '16 Comedy Crossover
Miss Oribe's Sonya Maid by Dontoko and Motokazu Kill Me Baby Doujin and Kobayashi-san-chi no Maid Dragon Doujin released Jun 7 '18 Comedy Crossover