Akutabe, a detective, summons devils to solve the troubles of his clients. One day, a low class devil Azazel Atsushi is summoned by Akutabe and is used harshly by him and his assistant Rinko Sakuma.
What more can i say? The author managed to pull out the evilness and coolness of Demons and merged them into some cute and adorable creatures ! Love this anime so much ! 5/5 !