Crunchyroll has previously streamed two OVA episodes from the anime’s fifth season, Natsume Yūjin-Chō Go, as well as the Natsume Yūjin-Chō: Nyanko-sensei to Hajimete no Otsukai (Nyanko-sensei & The First Errand) OVA.
Aniplex began streaming a promotional video on Thursday for an OVA for Natsume Yūjin-Chō Roku, the sixth anime in the franchise based on Yuki Midorikawa’s Natsume’s Book of Friends (Natsume Yūjin-Chō) manga.
The OVA will ship with the fourth Blu-ray Disc and DVD for the sixth season on September 27.
The sixth season premiered on April 11, and Crunchyroll streamed the series as it aired.