The manga Spirit Circle by Satoshi Mizukami is officially getting a TV anime adaptation. The series is set to air and stream starting December 2026 for a total of 18 episodes. A teaser visual and first PV were also released.
The ending theme, “Koko ga Donna Sekai demo,” is performed by Anna Nagase, who also voices Kouko Ishigami. Animation is co-produced by NAGOMI and EOTA, with TWIN ENGINE as producer.
A Grudge Across Reincarnation
Spirit Circle follows Fuuta Okeya, a 14-year-old junior high student who can see spirits. His life changes when Kouko Ishigami transfers to his school and bears a grudge against him—a feud rooted in many past lives.
Production Staff
The announced staff and cast:
- Original Work: Satoshi Mizukami (Spirit Circle / Shonengahosha)
- Director / Series Composition: Tatsuo Sato
- Assistant Director: Kentaro Mizuno
- Character Design: Satoru Fujimoto
- Animation Production: NAGOMI × EOTA
- Production: TWIN ENGINE
- Ending Theme: Anna Nagase — “Koko ga Donna Sekai demo”
- Fuuta Okeya: Kazuki Ura
- Kouko Ishigami: Anna Nagase
- Rune: Eri Yukimura
- East: Yuichi Nakamura
Tatsuo Sato, also known for works such as Martian Successor Nadesico, Bodacious Space Pirates, and Stellvia, passed away in April 2026. Spirit Circle is his final work as director. Production continues under Mizuno and the rest of the staff, preserving Sato’s direction.
About Spirit Circle
The manga Spirit Circle by Satoshi Mizukami ran in the magazine Young King OURs from 2012 to 2016 and concluded in six volumes. Mizukami is also known as the creator of Lucifer and the Biscuit Hammer and Planet With. The English edition is published by Seven Seas Entertainment. Per official materials, the series has surpassed 800,000 copies in cumulative print and digital circulation. Official anime website: https://www.spiritcircle.jp/.
Source: Anime Corner.
Trailer (Japanese)
