Natsume Yuujinchou: Ishi Okoshi to Ayashiki Raihousha is an anime film that premiered in winter 2021, produced by Shuka.

About the production: the story comes from a manga, the film runs about 51 minutes and its current status is "finished".

Its main genres are drama, fantasy, slice of life and supernatural, with themes such as Iyashikei, Youkai, Male Protagonist and Shoujo.

On AniList, Natsume Yuujinchou: Ishi Okoshi to Ayashiki Raihousha has an average score of 80%, a very good score, and appears on 11,754 users' lists.

In "Ishi Okoshi," Natsume meets a small youkai called Mitsumi in a forest. Mitsumi is entrusted to wake up the divine youkai "Iwatetsu" from its deep slumber. Mitsumi weighs on Natsume's mind, so he sets out to help Mitsumi with his task. In "Ayashiki Raihousha," a mysterious visitor appears in front of Tanuma. Nearly every day, the visitor visits Tanuma, talks to him a little, and then leaves. Natsume, who knows the visitor is a youkai, worries for Tanuma, but Tanuma enjoys these exchanges with the youkai. The youkai means no harm, but Tanuma's health slowly starts to deteriorate. (Source: Anime News Network)

Official synopsis from AniList.