There is a magical girl in room 1105.

Junior high student Mitama suddenly got chosen as a Magical Girl! As a result, The Great Demon King Jeddo's plan of bringing despair to the Earth got stopped in a mere 12 pages! However, this was only the beginning of their legendary everyday life where a Magical Girl and a Demon King live under the same roof!

Everybody, get in there! A Slice of life comedy is about to start!