Himouto! Umaru-chan manga volume 9 features story and art by Sankakuhead.

Girl genius Hikari is now a regular visitor at the Domas’ apartment, but that won’t deter Umaru from living her best lazy life! On a similar (if more productive) note, Kirie dreams of becoming a picture book author—and has taken the first steps toward publication! Does she have what it takes to become a professional?