A Misanthrope Teaches a Class for Demi-Humans Vol 4

From the Yen Press edition

As Hitoma-sensei interacts more with Karin the dragon and Neneko the black cat, he finds himself growing with his students day by day. But as always, the changing of the seasons brings goodbyes...Here, the story of these young demi-humans and their blossoming lives comes to a close.

Source: Yen Press