C66 The Corpse Transformation and the Demon's Appearance

After she took Black Egg back, Yu would go out again because of an urgent military situation before she had the chance to lie down.

Someone had discovered a Corpse Transformation this time!? However, this sort of thing would normally not go looking for Yu. Anyone with a high rank would be able to tame it, but it was very different this time, so he had no choice but to go looking for Yu