The Ramparts of Ice

Genre: Animation | DramaTotal Seasons: 1Total Episodes: 12Runtime: 24mRelease: 2nd April, 2026

Created by: Languages: JapaneseCountry: Japan

Plot: Weighed 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.

Company: Studio KAI, TBS, Universal Music Japan, ADK Emotions

Cast:

Anna Nagase

Koyuki Hikawa (voice)

The Ramparts of Ice

Cast:

Anna Nagase

Koyuki Hikawa (voice)

Shoya Chiba

Minato Amamiya (voice)

Fuka Izumi

Miki Azumi (voice)

Satoshi Inomata

Yota Hino (voice)

Chiaki Kobayashi

Tsubasa Igarashi (voice)