The great detective Akutabe has an assistant, Rinko Sakuma, who is trying to learn to summon demons. This is the story of her misadventure when she actually manages to summon 2 demons unexpectedly.

[Source: Anime News Network]

Akutabe is a detective who summons demons to do his dirty work. While his methods might seem unorthodox, he always gets results.

[Source: Funimation]

The second season of Yondemasu yo, Azazel-san.