Woof Woof Story: I Told You to Turn Me Into a Pampered Pooch, Not Fenrir!, Vol. 5 (light novel) by Inumajin
In an odd twist of fate, two of the demon lord's generals have entered the service of the mansion. So, surely Routa can take a break and finally enjoy his pampered pooch life, right...? Of course not. With the recent spike in magical activity, a Hero has come sniffing around Feltbelk Forest. What ever will the famed monster hunter do when faced with Fenrir himself?