A talented young cook's encounter with a hungry girl who popped up in his kitchen changes his ordinary life forever. Dora, a summoned spirit and a truly cute goddess, now calls him master. However, he is not interested at all and trying everything he could to get away from the ghostly figure. As fate would have it, when he becomes a summoner by accident, there is no turn back in life.

The Rift between the present world and the another world caused by the instability of energy is the only passage to the present world for the monsters in another world. In order to block the invasion of monsters, in the present world, a group of people with special power bravely stand in the Rift to defend the world.

The isolationist Akane Clan, composed of an all-girls body mainly consisting of young kunoichi in training, has a code to which they all must adhere: "As men are dangerous beings, interacting with them is forbidden." Kunoichi Tsubaki, the leader of the Dog Squad, is an excellent trainee with a promising future, but she has started to experience a strange feeling in her heart... whenever the subject of boys is brought up.

Three oni-kids who, through the power of the onipan (a portmanteau of "oni" and "pantsu") become human to help fix the relationship between humans and oni. The three girls transfer into a normal Tokyo high school to aid in their task and help fix their image by revitalizing the town, sometimes jumping headfirst into school events, and other times ... becoming idols!