Midnight Occult Civil Servants: The Blind Alley, the Boy, and I

Mayonaka no Occult Koumuin: Fukurokouji to Ano Ko to Ore to

Episode 13 was bundled with the limited edition 12th volume of the manga. Trapped by fox spirits, Reiji and Theo uncover a cursed pot and must purify it to escape. (Source: Crunchyroll)