I Picked Up a Demon, and Decided to Raise Her

Life was supposed to be peaceful, but then he met a red-eyed girl who called herself Lucifer, and things started to get weird. Strange characters started to appear in the shop: a birdman with a circular fluorescent light on his head, a loser who was too lazy to walk and just floated around on his sword, and a lolita leader who blew up his room again... well, it was just a normal day.