Daruru, the black mage, opened her store. Looking for an employee, she's going to contact the monster dispatch company to try to call a goblin or an imp. Later she discovered that a slime had been sent out from the company. Furious, she wants to give it back, but the slime is so cute! Oh, I want to touch it forever! These are the daily stories of a black mage and a slime who run a magic store together as a master and a servant.