Miss Kobayashi's Dragon Maid Vol. 8 (manga)

OFF TO THE WORLD OF DRAGONS!

Kanna's father, the great chaos dragon warrior Kimun Kamuy, has appeared to take Kanna back to the world of dragons. Kanna will go if it means finally getting her father's approval, but Kimun Kamuy is more interested in Kanna as a comrade-in-arms than a daughter. And what is the mysterious mage Azad up to? Suspicious and still hoping for a reconciliation, Kobayashi and Tohru head for the world of dragons to try and stop a disastrous war before it starts!