The Ramparts of Ice

Epic card · No. 12263

The Ramparts of Ice (Japanese: 氷の城壁, Hepburn: Kōri no Jōheki) is a Japanese web manga series written and illustrated by Kōcha Agasawa. It was first published as a webtoon under the Line Manga Indies section, and after collaborating with the Margaret editorial team, it was picked up for official serialization through the Line Manga digital service from January 2020 to April 2022. Shueisha published its chapters in 14 tankōbon volumes from July 2023 to February 2025. The series follows Koyuki Hikawa, an introverted high schooler who keeps her distance from others, until three of her schoolmates draw her out and help her enjoy her adolescence to the fullest. The first season of an anime television series adaptation produced by Studio Kai aired from April to July 2026. The second season premiered in October of the same year.

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