Now I'm a Demon Lord! Happily Ever After with Monster Girls in My Dungeon: Volume 13

For the first time in a long time, Yuki is enjoying life at home in the dungeon with his family. Unfortunately for him, a request for aid suddenly arrives from the Reauxgard Empire, where a horde of monsters is surging forth from newly discovered remains. He rushes to the rescue, but as he plows a path of destruction through the swarm, for some strange reason, who should he find at the end but...t...