Himouto! Umaru-chan manga volume 3 features story and art by Sankaku Head.

Umaru’s world is starting to expand! A coke spill catastrophe leads to a day out at a manga café, and then her dreams of lunchtime pizza are dashed when Ebina shows up with a bag of super high-quality rice. Can Umaru survive a junk food-free meal? Or is she doomed to a lunch of pain and home-cooked suffering?