Akutabe is a detective who 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.

This OVA series is a continuation of The New Prince of Tennis series from 2012, still set in the U-17 High School Representatives Selection Camp. The story follows the matches played when the First Strings return from their tour.

Special releases with the DVDs that takes place before the events of the U-17.

The new anime will tell an original story, featuring a match between the Hyoutei Academy Secondary Department led by Keigo Atobe and Rikkai University-Affiliated Middle School led by Seiichi Yukimura. The story was previously not depicted in the manga. (Source: MAL News)