Sentenced to Be a Hero, Vol. 5 (light novel): The Prison Records of Penal Hero Unit 9004 — Rocket Shokai

As winter draws its curtain around the first capital of Zephent, the goddess and her penal heroes are enjoying a little break. But, as usual, the fun doesn't last for long. Soon the penal heroes are given a new order—to interfere in the election for the next archpriest! As various schemes and plots collide, a force working behind the scenes is finally revealed: a certain entity from Xylo's past that he won't soon forget...