Devil Children 4koma Theater (Parts 1 and 2)

A short series of 4koma featuring gags mostly centered on Red and Black Book.

The first part is by Machiko Ocha (御茶まちこ), a freelance mangaka who focuses on women's manga, while the second is by Megumi Nagahama (長浜めぐみ), a freelance illustrator who works on TCGs, light novels, social games, and character designs.