Woof Woof Story: I Told You to Turn Me Into a Pampered Pooch, Not Fenrir!, Vol. 7 (Light Novel), Paperback

With the leaders of the Demon Lord's army all contained, the truth of Mary's illness is finally revealed to Routa and company! Now, in order to save her life, he must travel one-thousand years into the past! If anyone gets in the way of his pampered pooch life, he'll send them packing! Even the Demon Lord!