The Ramparts of Ice web manga is officially getting a TV anime adaptation, with an illustration and comment from the author released. The manga is written and drawn by Kocha Agasawa, who is also known as the creator of You and I Are Polar Opposites, which is getting an anime in January 2026.
You can see Agasawa’s illustration for the anime announcement and their comment below.
“Back when I was serializing this manga, I never imagined a future where I’d be making this announcement. I still can’t quite believe it’s real. Thank you so much!”
The Ramparts of Ice (Koori no Jyoheki), a Japanese web manga created by Kocha Agasawa, first debuted as a digital webtoon before being serialized on Line Manga, LINE’s digital comics platform. The series launched on January 10, 2020, and concluded after two years on April 28, 2022.
The story follows Koyuki Hikawa, a high school freshman known as the “Queen” for her cold nature. She avoids socializing and only spends time with her childhood friend, Mihime Azumi. However, things begin to change when a friendly classmate pushes his way into her life. Along with the laid-back Haruto, the four navigate the ups and downs of high school and form unexpected friendships.
In July 2023, Shueisha began releasing the print version, with 13 collected editions released as of September 2024. The final volume, Volume 14, is set to release on February 4, 2025.
Source: The Ramparts of Ice Official X
©Kocha Agasawa, Shueisha
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