On the official site for the animated adaptation of the written sleeve and illustrated by Hotondo Shindeiru, Isekai Ojisan (Uncle From Another World), the first promotional image of the project was published. The press release did not yet reveal the production details or the release date.
Hotondo Shindeiru publishes the manga through the Comicwalker service of the Kadokawa publisher since June 2018, after publishing it for a while independently via Twitter and Pixiv. The publisher published the fifth compilation volume in October 2020, and will publish the sixth on June 23 in Japan. The literary franchise has exceeded 1.5 million copies in circulation.
Synopsis of Isekai Ojisan
Fall of 2017. The nephew, Takafumi, went to the hospital to visit his uncle, who has just woke up from a seventeen-year-old coma. However, he seems that he has lost the reason, as he assures that he was in another world called "Great Bahamar" during all this time, and even seems to speak a strange language. But everything changes when, his uncle, a common human, shows him that he learned to use magic in the other world. So, when Takafumi realizes that the magic he uses his uncle is completely real, he proposed that he use his skills To become a successful youtuber. Now taking care of him, Takafumi and the uncle of him begin to get involved in the life of streaming, while his uncle tells him from time to time about his life in the other world.
Source: official site
© Hotondo Shindeiru / Kadokawa