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 Naka...