'Koori no Jouheki' Reveals Main Cast, Staff, Teaser Promo for Spring 2026

The official website for the television anime adaptation of Koucha Agasawa's Koori no Jouheki (The Ramparts of Ice) web manga revealed the main cast, staff, teaser visual (pictured), and a teaser promotional video on Monday. The anime is scheduled to premiere on TBS and other stations in April 2026.

Cast
Koyuki Hikawa: Anna Nagase (Zenshuu.)
Miki Azumi: Fuuka Izumi (Shikanoko Nokonoko Koshitantan)
Minato Amamiya: Shouya Chiba (Youkoso Jitsuryoku Shijou Shugi no Kyoushitsu e)
Youta Hino: Satoshi Inomata (Ballpark de Tsukamaete!)

Staff
Director: Mankyuu (Koori Zokusei Danshi to Cool na Douryou Joshi)
Series Composition: Yasuhiro Nakanishi (Kaguya-sama wa Kokurasetai: Tensai-tachi no Renai Zunousen)
Character Design: Miki Ogino (SK∞ animation director)
Music: Kanade Sakuma (Rock wa Lady no Tashinami deshite), Natsumi Tabuchi (5-toubun no Hanayome)
Original Work Cooperation: Margaret Editorial Department
Studio: Studio KAI

Agasawa (Seihantai na Kimi to Boku) began drawing the romantic comedy manga as a self-published webtoon before beginning its serialization in the LINE Manga website from January 2020 to April 2022. Shueisha shipped the 14th and final volume on February 4.

Teaser PV


Source: Comic Natalie