A new trailer for The Ramparts of Ice (Kori no Joheki) has been released, ahead of the TV anime’s April 2 broadcast premiere.
The adaptation of the manga by Kocha Agasawa follows Koyuki Hikawa, a girl who doesn’t do well with human interactions and is walled off from others.
The Ramparts of Ice manga was serialized from January 2020 to April 2022 via LINE Manga. Shueisha published 14 volumes under the Jump Comics label between July 2023 to February 2025. The Ramparts of Ice received a special award at the 2nd Shueisha Shojo Manga Grand Prix (which has LINE’s involvement) and placed first in Comic Natalie’s Tateyomi Manga Award 2024 in the Completed category.
Staff
• Director: Mankyu (The Idolmaster: Shiny Colors, The Ice Guy and His Cool Female Colleague, Migi & Dali)
• Assistant director: Teru Ishii
• Series composer: Yasuhiro Nakanishi (Chained Soldier)
• Character designer: Miki Ogino
• Source material co-operation: Margaret Editorial Department
• Animation production: Studio KAI
Cast
• Anna Nagase as Koyuki Hikawa
• Fuka Izumi as Miki Azumi
• Shoya Chiba as Minato Amamiya
• Satoshi Inomata as Yota Hino
Source: Netflix Anime YouTube channel