The Ramparts of Ice Episode 1 is a high-profile anime release for Spring 2026. Based on a beloved webtoon romance by Kōcha Agasawa, the anime has received praise in advance of its official announcement.The Ramparts of Ice Episode 1 will be released globally on Netflix on April 2, 2026. There will also be Japanese broadcasts on TBS and 27 other affiliated channels at 11:56 p.m. on that date, and the episode will be available to stream on Netflix Japan starting April 3.Minato Amamiy and Koyuki Hikawa - Source: Studio KAIA high school girl named Koyuki Hikawa is lonely and does everything she can to keep others from getting to know her, but classmate Minato Amemiya continues trying to get close to Koyuki and make friends with her, no matter how many times she has pushed him away. There are also two other characters (Miki - the mean girl and Yōta - the cool guy) dealing with their own issues, as well as Koyuki and Minato, so there are four people in the group trying to navigate through the confusing experience of being an adolescent.Rock band Novelbright performs the opening theme to The Ramparts of Ice anime series titled "Tōmei" (Invisible), and Polkadot Stingray performs the ending theme titled Sakasama (Upside Down).Yota Hino - Source: Studio KAIStudio KAIHere is a global release time table based on the Japanese broadcast premiere of 11:56 PM JST on April 2, 2026:Time ZoneRelease TimeDateJST (UTC+9)11:56 PMApril 2IST (UTC+5:30)8:30 PMApril 2CET (UTC+2) 5:00 PMApril 2 GMT (UTC+0) 2:56 PMApril 2 CDT (UTC-5) 10:00 AMApril 2 Voice Cast of The Ramparts of Ice Episode 1The Ramparts of Ice Episode 1 features a large group of well-known actors:Anna Nagase as Koyuki HikawaFūka Izumi as Miki AzumiShōya Chiba as Minato AmamiyaSatoshi Inomata as Yota HinoChiaki Kobayashi as Tsubasa IgarashiSakura Shinfuku as Tsukiko ShimojimaAkari Kitō as Momoka KurikiKakeru Hatano as Yūki AzumiNatsumi Kawaida as Akine AtagawaAbout the MangaA chibi moment as seen in the trailer - Source: Studio KAIAuthor Agasawa published The Ramparts of Ice on LINE Manga as a comic from January 2020 until its end in April 2022. After that, Shueisha released 14 volumes of the series, with the last one released in February 2025.The Ramparts of Ice Episode 1 was rewarded with recognition before it was greenlit for a series. The series placed #15 overall in the Kono Manga ga Sugoi! (Male Reader) ranking, was nominated for the 69th Shogakukan Manga Awards in 2023, placed 2nd in the Rakuten Kobo E-book Awards Vertical Scroll Comic ranking in May 2024, and was named 2nd Most Wanted Anime Adaptation in the AnimeJapan 6th Poll (2023).Additional StaffThe full production team behind The Ramparts of Ice Episode 1 includes:Assistant Director: Teru IshiiSub-Character Design: Eriko ItōProp Design: Yūji HamadaCostume Design: Kotono, Yū FuekiArt Director/Background Art: Shin MaedaColor Key Artist: Haruko Nobori3D CG Director: Naoya SakayoriCompositing Director of Photography: Mika WatanabeEditing: Masato YoshitakeSound Director: Kōhei YoshidaChief Animation Producer: Hirokazu ShibaAnimation Producer: Taiki ItōWhere to WatchOn April 2, 2026, The Ramparts of Ice Episode 1 will be available on Netflix around the world (except Japan). The series can be seen in Japan through Japanese television broadcasts from TBS and other associated regional cable stations, as well as several Japanese streaming services.