Anime Overview
The Ramparts of Ice
Koori no Jouheki follows Koyuki "Koyun" Hikawa, a high schooler whose icy reputation masks deep insecurity from past hurts. Her routine begins to shift when she warms to classmates Minato Amamiya, Youta Hino, and the outspoken Miki Azumi, who persistently include her in their circle. As Koyun grows closer to them, she must confront her fear of intimacy whil…
Characters
Meet the featured characters and Japanese voice actors tied to The Ramparts of Ice before opening the full characters page.
Koyuki Hikawa
Main | Japanese VA: Nagase, Anna
Minato Amamiya
Main | Japanese VA: Chiba, Shouya
Youta Hino
Main | Japanese VA: Inomata, Satoshi
Miki Azumi
Main | Japanese VA: Izumi, Fuuka
Akine Atagawa
Supporting | Japanese VA: Kawaida, Natsumi
Tsubasa Igarashi
Supporting | Japanese VA: Kobayashi, Chiaki
Staff
See the featured production staff credits for The Ramparts of Ice before the interactive staff page loads.
Mankyuu
Director, Episode Director, Storyboard
Agasawa, Koucha
Original Creator
Nakanishi, Yasuhiro
Script, Series Composition
Ishihara, Shinya
Producer
Itou, Taiki
Producer, Episode Director
Nakazawa, Nobuya
Producer
Latest Episodes
A quick static snapshot of recent tracked episodes for The Ramparts of Ice before the interactive guide loads.
Episode 7: Loneliness and Solitude
Aired May 14, 2026
Episode 6: New Semester
Aired May 7, 2026
Episode 5: Change
Aired Apr 30, 2026
More Guide Pages
Open the deeper episode, cast, staff, and franchise guide pages tied to this overview.
The Ramparts of Ice episode guide
7 tracked episodes
The Ramparts of Ice characters
6 featured characters
The Ramparts of Ice staff
6 featured staff credits