Watch The Ramparts of Ice Season 1 Episode 1 Online
“Lines and Walls” — Watch "The Ramparts of Ice" Season 1 Episode 1 online in HD for free. Check streaming providers, cast, and episode details.
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Season 1 Episode 1 — Aired on Apr 2, 2026 • runs about 24 minutes.
Directed by Teru Ishii.
Written by Yasuhiro Nakanishi.
Notable cast/guest names in this episode include Anna Nagase, Shoya Chiba, Fuka Izumi, Satoshi Inomata.
This page includes 6 official still(s) (when available) plus legal availability links.
Looking for “watch The Ramparts of Ice Season 1 Episode 1 online”? This is a legal-only guide with synopsis, stills, and navigation for this season.
Synopsis
After her classmates run off in fear, Koyuki makes faces in a mirror to figure out why everyone finds her scary. Suddenly, a boy sneaks up behind her.
Stills
Cast
as Koyuki Hikawa (voice)
as Minato Amamiya (voice)
as Miki Azumi (voice)
as Yota Hino (voice)
as Tsubasa Igarashi (voice)
as Tsukiko Shimojima (voice)
as Momoka Kuriki (voice)
as Yūki Azumi (voice)
as Akine Atagawa (voice)
Episodes – Season 1
Trailer / clip
There�s no trailer available for this series right now.
