High School DxD Novel Volume 13 was written by Ichiei Ishibumi and features illustrations by Miyama-Zero.

Issei’s back and the crisis in the underworld has been averted. The members of the Occult Research Club are eager for things to return to normal, but their hopes are dashed when Kiyome Abe comes to them with a request. She wants them to put a stop to a marriage her father set up for her. Unfortunately, she comes from a family of monster tamers, so ending this union might not be easy…