Akuma no Memumemu-chanAkuma no Memumemu-chan.

Akuma no Memumemu-chan (悪魔のメムメムちゃん) is a Japanese manga series written and illustrated by Keitarō Yotsuya. It was serialized on Shueisha's online platform Shōnen Jump+ from July 2016 to April 2021, with its chapters collected in twelve tankōbon volumes. A 5-minute original net animation (ONA) produced by Shaft was released in January 2018.