Production company Twin Engine opened an official website for a television anime adaptation of Satoshi Mizukami's Spirit Circle manga on Thursday, revealing the main cast, staff, a teaser visual (pictured), the ending theme, and first promotional video. The anime series is scheduled to premiere in December 2026, with a total of 18 episodes.

Cast
Fuuta Okeya: Kazuki Ura (Tougen Anki)
Kouko Ishigami: Anna Nagase (Koori no Jouheki)
Rune: Eri Yukimura (Leadale no Daichi nite)
East: Yuuichi Nakamura (Jujutsu Kaisen)
Vann Flantyr: Kazuki Ura
Flors: Kazuki Ura
Fone: Kazuki Ura
Fortuna: Kazuki Ura
Iwana: Anna Nagase
Houtarou Kajima: Kazuki Ura
Kouko: Anna Nagase
Lafalle: Kazuki Ura
Lapis: Anna Nagase
Fuuko Okeya: Kazuki Ura
Raven-Haired Witch: Anna Nagase
Roca: Anna Nagase
Kousuke Shakuji: Anna Nagase
Stona: Anna Nagase

Staff
Director, Series Composition: Tatsuo Satou (Madan no Ou to Vanadis)
Assistant Director: Kentarou Mizuno (Rocket Girls)
Character Design: Satoru Fujimoto (Senki Zesshou Symphogear G)
Studio: EOTA, Nagomi
Production: Twin Engine

Voice actress Anna Nagase (Yuurei Deco) is performing the ending theme "Koko ga Donna Sekai demo," which was previewed in the first promotional video below.

Director and series composer Tatsuo Satou died on April 24, at the age of 61 due to liver failure. Spirit Circle marks his final directorial work. Production continued under assistant director Kentarou Mizuno, with the staff carrying on Satou's vision for the series.

Mizukami serialized the supernatural fantasy manga in Young King OURs magazine from May 2012 to March 2016. Shounen Gahousha published the sixth and final volume in June 2016, concluding the manga after 45 chapters. The manga has a cumulative 800,000 copies of its volumes in circulation.

The manga was published digitally as an English simulpub by Crunchyroll Manga in January 2014. Seven Seas Entertainment licensed the manga for physical English release in January 2017. The sixth volume went on sale in January 2019.

Spirit Circle was nominated in the best comic category for the 48th Seiun Award in 2017.

Synopsis
Fuuta Okeya, a 14-year-old student, can see ghosts and wears a bandage on his left cheek to hide his striking birthmark. One day, a girl with a scar on her forehead named Kouko Ishigami, accompanied by a ghost of a tall and friendly man, transfers into his class.

Fuuta quickly takes a liking to Kouko, wondering if it might be love at first sight. After waking up crying from a strange dream involving her, he feels a nostalgic connection to Kouko and becomes determined to befriend her. However, a chain of events forces Fuuta to reveal his birthmark to Kouko, to which she declares him to be the enemy of her life. A furious Kouko explains that the two are bound by reincarnation, and that Fuuta's birthmark is a curse she engraved on him in one of their past lives to recognize and eventually defeat him.

Kouko brings out a circular object made of flames known as the "spirit circle" and attacks Fuuta, pushing him off a flight of stairs. As he falls, Fuuta is thrown back into the insight of one of his previous lives. Spirit Circle chronicles Fuuta's journey back and forth through his several past lives as he gradually unravels the mysteries behind his apparent bad blood with Kouko. [Written by MAL Rewrite]

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Official site: https://www.spiritcircle.jp/
Official X: @spiritcircle_pr

Source: PR Times

Spirit Circle on MAL