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Finished Airing
TV PG-13 - Teens 13 or older
The Ramparts of Ice
Koori no Jouheki · 2026
A girl thaws the wall she built around herself.
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StatusFinished Airing
SeasonSpring 2026
StudioStudio KAI
SourceWeb manga
Story
Synopsis
Koyuki Hikawa seems unapproachable and intimidating to most of her classmates, but the wall she has built is made entirely of insecurity and overthinking following an uncomfortable middle school experience. Her chance encounters with Minato Amamiya and Youta Hino, who like her friend Miki Azumi are simply not afraid to approach her, start changing that. Torn between the pleasure of belonging and the fear of getting attached, Koyuki and her new friends slowly work their way out of their respective shells. Every small social risk she takes costs her more than her classmates realize.
⚠ Background — may contain spoilers
Directed by Mankyu and animated by Studio KAI, adapted from Agsawa Tea's manga, The Ramparts of Ice premiered in Japan and worldwide on Netflix in April 2026. Its focus on social anxiety and the specific self-imposed isolation that follows adolescent embarrassment gave it a grounded emotional hook distinct from typical school romance fare. The series was renewed for a second season shortly after its debut, indicating strong reception for its patient handling of a protagonist whose main obstacle is entirely internal. Its gentle pacing suits a story built entirely around internal obstacles.
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Episodes
14- 1
- 2
- 3
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Cast
Characters
32
Crew
Staff
126ADR Director3
Animation Director52
Art Director1
Assistant Animation Director3
Assistant Director1
Assistant Producer2
Background Art1
Character Design2
Chief Animation Director4
Chief Producer1
Color Design2
Director1
Director of Photography1
Editing1
Episode Director10
Executive Producer3
Music2
Original Creator1
Original CreatorAiring1
Planning3
Recording1
Recording Assistant1
Series Composition1
Sound Director1
Sound Effects1
Sound EffectsAiring1
Storyboard10
Theme Song Arrangement2
Theme Song Composition2
Theme Song Lyrics1
Theme Song Performance2
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