A main visual for The Eternal Fool’s Words of Wisdom: A Pawsitively Fantastic Adventure TV anime has been released. It was also announced that Miyu Fujidera is part of the cast as the character Rina.
The anime is an adaptation of the light novel series written by Hifumi and illustrated by Kurihito Muto. The anime’s synopsis reads:
Through the accidental creation of a divine elixir known as “Eternity Elixir,” Asley gains an immortal body, free from the passage of time.
With more time than he could ever need, he devotes himself entirely to research—spending 5,000 years mastering countless spells and magical arts. In doing so, he becomes an extraordinary mage capable of wielding long-lost ancient magic.
Setting out to broaden his horizons, Asley embarks on a journey alongside his loyal familiar, Pochi. But his quiet, wandering life takes a dramatic turn after a single act of kindness.
Thus begins a wildly offbeat youth fantasy that transcends the ages—
the story of a 5,000-year-old young man and his 800-year-old canine companion.
They’re the strongest around… yet somehow always a little out of sync.
A timeless, slapstick fantasy adventure begins now!

The Eternal Fool’s Words of Wisdom light novel series, which is published under the Earth Star Novel imprint, debuted in 2015 and ended in 2019 with 14 volumes. There is a manga drawn by Fuh Araki.
The anime is set to begin airing in January 2027. Crunchyroll has picked up the title for streaming.
Production credits
• Director: Keisuke Onishi (The Healer Who Was Banished From His Party, Is, in Fact, the Strongest)
• Character designer: Yumiko Mizuno (The Healer Who Was Banished From His Party, Is, in Fact, the Strongest)
• Series composer: Kurasumi Sunayama (The Healer Who Was Banished From His Party, Is, in Fact, the Strongest)
• Animation production: Studio Elle
Cast
• Toshiyuki Toyonaga as Asley
• Yoko Hikasa as Pochi
Source: Press release
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