The Ramparts of Ice (TV)

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Alternative title:
Koori no Jyōheki (Japanese)
氷の城壁 (Japanese)
Genres: romance
Themes: coming of age
Plot Summary: Pushed down by memories she can’t shake, high schooler Koyuki Hikawa keeps everyone at arm's length. Until three schoolmates draw her out of her shell.
Watch The Ramparts of Ice on:Netflix Standard with AdsNetflix Standard with AdsNetflixNetflix
Vintage: 2026-04-02
Opening Theme:
"Tōmei" (透明) by Novelbright
Ending Theme:
"Sakasama" (逆様) by Polkadot Stingray
Official website:
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Japanese staff
Japanese cast
Director: Mankyū
Series Composition: Yasuhiro Nakanishi
Original creator: Agasawa Tea
Character Design: Miki Ogino
Art Director: Shin Maeda
3D Director: Naoya Sakayori
Sound Director: Kōhei Yoshida
Director of Photography: Mika Watanabe

Animation producer: Taiki Itō
Art Setting: Shin Maeda
Assistant Director: Teru Ishii
Chief Animation Producer: Hirokazu Shiba
Color design: Haruko Nobori
Costume Design:
Kotono
Yū Fueki
Prop Design: Yūji Hamada
Sub-Character Design: Eriko Itō
Theme Song Arrangement:
Novelbright (OP)
Polkadot Stingray (ED)
Theme Song Composition:
Shizuku (ED)
Sōjirō Oki (OP)
Yūdai Takenaka (OP)
Theme Song Lyrics:
Shizuku (ED)
Yūdai Takenaka (OP)
Theme Song Performance:
Novelbright (OP)
Polkadot Stingray (ED)
Anna Nagase as Koyuki Hikawa
Fūka Izumi as Miki Azumi
Satoshi Inomata as Yōta Hino
Shōya Chiba as Minato Amamiya

Akari Kitō as Momoka Kuriki
Chiaki Kobayashi as Tsubasa Igarashi
Kakeru Hatano as Yūki Azumi
Natsumi Kawaida as Akine Atagawa
Sakura Shinfuku as Tsukiko Shimojima

Gakuto Kajiwara as Daichi Midorikawa (ep 2)
Hazuki Ogino as
Fujita (ep 2)
Manatsu Atagawa (ep 1)
Hibiku Yamamura as Nagisa Amamiya (ep 2)
Hiromu Mineta as
Ginnosuke Kaneda (ep 1)
Junior High School Boy (ep 2)
Kento Shiraishi as
Manager (ep 2)
Tanaka (ep 1)
Manatsu Murakami as Muko (ep 1)
Minori Fujidera as
Female Student (ep 1)
Minato's Ex-Girlfriend (ep 2)
Miria Takagishi as Miharu (ep 1)
Mitsuho Kambe as Mei (ep 1)
Rikuya Yasuda as Hayato Akahoshi (eps 1-2)
Saeko Kamijō as Mari (ep 1)
Satoru Ito as Junior High School Boy (ep 2)
Toshiki Watanabe as
Homeroom Teacher (ep 2)
Tatsu (ep 1)
Wakana Kowaka as Noriko-sensei (ep 2)
Yuka Yagami as Saya-chan (ep 1)
Yuriko Hibi as Boy (ep 1)
Japanese companies
2D Design: Graphinica
2nd Key Animation:
Hikari no Sono Animation (eps 1-2)
MKR Studio (ep 1)
Studio Angle (ep 1)
Studio μ (OP; ep 2)
TOHO animation STUDIO (ep 1)
Wit Studio (eps 1-2)
Animation Production: Studio KAI
Background Art:
Creative Freaks (OP)
GACHI Production (eps 1-2)
Suezō (eps 1-2)
Finish Animation:
Hikari no Sono Animation (eps 1-2)
Hiwa (eps 1-2)
Iris Media (ep 2)
Studio Gram (OP; ep 1)
Studio μ (OP; eps 1-2)
In-Between Animation:
Aura Studio (ep 1)
Hikari no Sono Animation (eps 1-2)
Iris Media (ep 2)
JFK (ep 1)
Studio Gram (OP; ep 1)
Studio KAI (ED)
Studio μ (OP; eps 1-2)
TOHO animation STUDIO (ED; ep 1)
Key Animation: Wit Studio (ep 2)
Monitor Graphics: Graphinica
Music Production: Nichion
Online Editing: qooop (eps 1-2)
Original Work Assistance: Shueisha (Margaret Editorial Dept.)
Photography: Graphinica Sapporo Studio (OP; ED; eps 1-2)
English cast
English staff
ADR Director: Kathy Pilon
ADR Script: Amanda C. Miller

ADR Editor: Pelin Takis
ADR Mix: Paul Zahnley
Casting Director: Kathy Pilon
Production Supervision: Diego Carvalho
Project Manager: Heather Becker
English companies
ADR Production: VSI Los Angeles
Internet Streaming: Netflix
French staff
French cast
ADR Director: Grégory Laisné

Adaptation: Orlane Berg
Dubbing Assistant: Victor Lenoir
Supervision: Alexandre Sassi
French companies
Dubbing: VSI Paris
Internet Streaming: Netflix
Italian staff
Italian cast
Dubbing Director: Simone Veltroni

Dialogues: Fabio Elia
Cecilia Salustri as Miki Azumi
Lorenzo Crisci as Yota Hino
Lucrezia Roma as Koyuki Hikawa
Riccardo Suarez as Minato Amamiya

Emanuele Suarez as Hayato Akahoshi
Italian companies
Dubbing Studio: VSI Rome
Polish staff
Polish cast
Dubbing Director: Małgorzata Lalowska

Subtitle Translation: Kamil Rogula
Synchronisation: Jakub Truszkowski
Aleksander Bauman as Minato Amamiya
Krzysztof Rogucki as Yota Hino
Małgorzata Gradkowska as Koyuki Kikawa
Monika Pikuła as Miki Azumi

Oskar Stencel as Tanaka
Polish companies
Dubbing Studio: VSI Warsaw
Internet Streaming: Netflix
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