In this world, Makai, every Demon gets a Familiar summoned using their magic. Patty, a Demon Girl who's magic is so weak she can't even summon an animal is forced to get a famliar. So, reluctantly, she chooses an older human named Norman as her familiar. Norman has an incredible fascination with examining all types of lifeforms around Makai, claiming he loves learning about them. This weird combination of a weak demon girl and a goofy old man leads to a journey of adventures the two go through.

One billion, and death ...? To get a surgical bed for his sister, Meguru has chosen to participate in an underground community. Between illegal gambling and games, he will participate in a nightmare. (Source: GanGan Online)

A collection of GanGan Online one-shots. 1. Hide and Seek 2. NOTICE -tsuukoku- 3. next room 4. [Back to the Jack](https://mangabaka.org/search?q=myanimelist%3A47609) 5. Killing Happy

109 different mangaka depict their daily lives since COVID-19 started.