The Ramparts of Ice
The Ramparts of Ice is a Japanese web manga series written and illustrated by. Starting as a webtoon, it was later serialized through Line's Line Manga digital service from January 2020 to April 2022. Shueisha published it in fourteen volumes from July 2023 to February 2025. An anime television series adaptation produced by Studio Kai is set to premiere in April 2026.
Plot
Koyuki Hikawa has trouble interacting with others, instead preferring to keep her distance and spend her time alone. However, when she meets Minato Amamiya, he suddenly starts trying to close the distance between them.
Characters
;Koyuki Hikawa
;Miki Azumi
;Minato Amamiya
;Yota Hino
Media
Manga
started The Ramparts of Ice as a self-published webtoon for about two years before starting a serialization through Line's Line Manga digital service from January 10, 2020, to April 28, 2022. Shueisha published the manga in print, under its Jump Comics imprint, with fourteen volumes released from July 4, 2023, to February 4, 2025.
Anime
In January 2025, it was announced that the manga will receive an anime television series adaptation. It will be produced by Studio Kai and directed by Mankyū, with series composition by Yasuhiro Nakanishi, characters designed by Miki Ogino, and music composed by Kanade Sakuma and Natsumi Tabuchi. The series is set to premiere on April 2, 2026, on TBS and its affiliates. Netflix will stream the series globally.
Reception
Before its serialization, The Ramparts of Ice received a special prize at the "Shueisha Shōjo Manga Grand Prix Powered by Line Manga Indies 2018 Summer". It ranked nineteenth in the web category at the seventh Next Manga Awards in 2021. It ranked first in the Comic C'moa Annual Ranking's manga category in 2022. It ranked second in AnimeJapan's sixth "Most Wanted Anime Adaptation" poll in 2023. It was nominated for the 69th Shogakukan Manga Award in 2023. It ranked fifteenth, along with The JoJoLands, on Takarajimasha's Kono Manga ga Sugoi! list of best manga of 2024 for male readers. It was ranked sixth in the Nationwide Bookstore Employees Recommended Comics of 2024 list. The series won the 2024 Vertical Manga Award in the completed comic category.