A Fox's Heart

In the world of Ferraria there are magical places with monsters that roam, some of these creatures, however, can transform into human form, those that can are of the dreaded Wildblood bloodline of what is said to be a lineage of monsters of descended demon blood, and the human empire of Colsfyr is ruled by King Grastol Coldsteel, who has started using monsters from the forests founded near their towns to fight against the attacks of the monster empire named Vyxire who have started ransacking their towns for all of their supplies, now has Jessy the red fox, the best Wildknight the kingdom has ever had, as the humans call the monsters taken into their knightly order that have been civilized by their king's wizards, who now must brave the kingdom's criticism for their kind and fight their way up the ranks to finally rid Colsfyr of those terrible Vyxire monsters.
(There may be intense violence and many unexpected things going on as this is not fully thought out and will have lots of unexpected plotholes I will try to fix at later times)