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Ookami to Koushinryou: Ookami to Komugikou no Kunen
Adventure
Fantasy
Romance
A special 14-page chapter included in the official art book.
The art book Koume Keito Gashuu: Ookami to Koushinryou - 10-nenme no Calvados was published in English as Keito Koume Illustrations Spice & Wolf: The Tenth Year Calvados by Yen Press on November 17, 2020.
Ookami to Koushinryou: Ookami to Komugikou no Kunen's Galery