Unaired 13th canon episode of season 3. Issei goes to the Underworld to help and train Riser Phenex who has lost all confidence in himself by the request of Ravel Phenex.

Rias and Akeno compete to see whose sexy roleplay has greater appeal for Issei.

Irina, Xenovia, and Asia compare their "battle underwear".

Koneko has a healing technique, but does Issei have the wrong idea?

Tsubaki can't decide between two magical girl costumes and convinces a reluctant Sona to try one one.

Grayfia isn't quite herself when she and Issei accidentally encounter each other in the bath.

When Rossweisse helps Issei study for a test, it proves difficult to avoid inappropriately distracting him.