When the School of Friendship receives a new Diamond Dog student, Gallus, Yona, Smolder, Sandbar, Ocellus, and Silverstream put their lessons in practice by quickly befriending him and giving him a warm welcome. But it's not long before it's discovered that there's more about this dog than he's let on, and the six students are getting dragged right into the thick of it...

Collab with Rated Ponystar