The Ramparts of Ice is set to premiere its second season on October 1, 2026, airing on TBS and 27 affiliated channels with Netflix streaming in Japan. The first season concluded on July 2, and the anime is produced by Studio KAI.
The Ramparts of Ice began as a webtoon by Kocha Agasawa, running on LINE Manga from January 2020 to April 2022. Shueisha published its 14th and final compiled volume in February 2025, giving the anime a completed source to adapt. The manga's recognition, including a nomination for the 69th Shogakukan Manga Awards in 2023 and a second-place finish in the Rakuten Kobo E-book Awards' Vertical Scroll Comic category in 2024, set expectations for the adaptation.
The first season premiered in April 2026 and concluded on July 2. Studio KAI produced it, with Mankyu directing and Yasuhiro Nakanishi handling series scripts. The cast includes Anna Nagase as Koyuki Hikawa, Shoya Chiba as Minato Amamiya, Fuka Izumi as Miki Azumi, and Satoshi Inomata as Yota Hino. The series streams globally on Netflix.
Review coverage focused on the show's character work. Anime Feminist's review of episode 1 praised the portrayal of Koyuki, a high school freshman known as the Ice Queen who struggles with social engagement, as a relatable lead who chooses authenticity over masking. The review highlighted her friendship with Miki as a central dynamic. Episode 8 turned the camera on Miki, resolving her internal conflict over balancing authenticity with social conformity. The Fandom Post graded it an A-, and Anime News Network gave it a 4 out of 5.
Season 2 was announced immediately after the first season's 14th episode aired on July 2, with a teaser visual. On August 27, the official website unveiled a promotional video, key visual, and the October 1 premiere date. The new season airs Thursdays at 11:56 p.m. on TBS and 27 affiliated channels, with Netflix streaming alongside other services in Japan. The opening theme "Tomei" is performed by Novelbright, and Polkadot Stingray performs the ending theme "Sakasama."
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The official website for The Ramparts of Ice anime announced the theme song artists for its second season on Thursday. Four-piece band THE BEAT GARDEN performs the opening theme "Escort," while Superfly performs the ending theme "Hanakage." The season premieres on October 1 on TBS and 27 affiliated channels, and will stream on Netflix and other services in Japan.
The official website for The Ramparts of Ice anime unveiled a promotional video, key visual, and October 1 premiere date for the second season on Thursday. The new season will air on Thursdays at 11:56 p.m. on TBS and 27 affiliated channels, with Netflix streaming the series along with other services in Japan. The first season concluded on July 2. The series is directed by Mankyu, known for Pui Pui Molcar the Movie: MOLMAX, at Studio KAI, with Yasuhiro Nakanishi, who worked on Kaguya-sama: Love is War, handling series scripts. The opening theme song "Tomei" is performed by Novelbright, while Polkadot Stingray performs the ending theme "Sakasama." The story follows Koyuki Hikawa, an aloof high school student who struggles to connect with others, and her growing relationship with Minato Amamiya, who keeps approaching her despite her walls. The cast includes Anna Nagase as Koyuki, Fuka Izumi as Miki, and Shoya Chiba as Minato. The manga by Kocha Agasawa originally ran as a webtoon on LINE Manga from January 2020 to April 2022.
The television anime adaptation of Kōcha Agasawa's manga The Ramparts of Ice will return for a second season on October 1, 2026. The announcement followed the broadcast of the 14th episode of the first season on July 2. The new season will air on Thursdays at 11:56 p.m. on TBS and 27 affiliated channels. A teaser visual accompanied the announcement. The first season premiered in April 2026 and streams globally on Netflix. The anime is produced by Studio KAI, with Mankyū directing and Yasuhiro Nakanishi handling series scripts. The cast includes Anna Nagase as Koyuki Hikawa, Shōya Chiba as Minato Amamiya, Fūka Izumi as Miki Azumi, and Satoshi Inomata as Yota Hino. The manga originally ran as a webtoon on the LINE Manga app from January 2020 to April 2022, and Shueisha published its 14th and final compiled volume in February 2025. The manga was nominated for the 69th Shogakukan Manga Awards in 2023 and ranked second in the Rakuten Kobo E-book Awards' Vertical Scroll Comic category in 2024.
Anime Feminist reviewed the premiere of The Ramparts of Ice, a new series following Koyuki Hikawa, a high school freshman who struggles with social engagement and is known as the Ice Queen by her peers. The episode opens with three students confronting Koyuki to ask who the cutest person is, a scene that establishes her as a target of bullying and a figure perceived as cold and intimidating. The review praises the show for its character study, showing Koyuki as a girl who is keenly aware of her situation but chooses authenticity over masking. Her friendship with Miki, the high school beauty, is highlighted as a central dynamic that explores how others define a person versus self-definition. The premiere is described as genuinely engaging, with nice animation and an interesting lead. The reviewer recommends the series, noting it is available digitally through MangaPlaza, and expresses anticipation for future episodes.
The eighth episode of The Ramparts of Ice shifts focus to Miki, exploring the pressures of her dual life as a perfect class idol and her struggle to balance authenticity with social conformity. The episode reveals her past as a blunt and abrasive middle schooler, whose aggressive confrontation with a bully led to a physical fight that shattered a window and severely cut her hand, prompting her to reinvent herself in high school. However, her true personality keeps slipping through, causing her new friends to distance themselves. After a vent session with older coworkers is overheard, her core group begins to ice her out. Miki finds support from Yota, who listens without offering advice; Koyuki, who encourages her to drop the fake friends; and Minato, who applies subtle social pressure. A heart-to-heart with her classmates leads to reconciliation, allowing Miki to embrace her authentic self without fear. Both reviews note the episode's familiar trope of the popular girl feeling isolated, but praise the execution and character development. The Fandom Post grades it an A-, while Anime News Network gives it a 4 out of 5.