▶ Trailer

The Ramparts of Ice

1 season · 2026 · Ongoing

★★★★★4.3

AnimationDrama

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.

Episodes

All seasons

Lines and Walls

S01 · E01 Lines and WallsApril 2, 2026

Locksmith

S01 · E02 LocksmithApril 9, 2026

3+(←)1

S01 · E03 3+(←)1April 16, 2026

Impenetrable

S01 · E04 ImpenetrableApril 23, 2026

Change

S01 · E05 ChangeApril 30, 2026

New Semester

S01 · E06 New SemesterMay 7, 2026

Loneliness and Solitude

S01 · E07 Loneliness and SolitudeMay 14, 2026

On Equal Footing

S01 · E08 On Equal FootingMay 21, 2026

Self-Awareness

S01 · E09 Self-AwarenessMay 28, 2026

Spring

S01 · E10 SpringJune 4, 2026

Inversion

S01 · E11 InversionJune 11, 2026

Thunder

S01 · E12 ThunderJune 18, 2026

Perception

S01 · E13 PerceptionJune 25, 2026

Bombshell

S01 · E14 BombshellJuly 2, 2026

Clouds and Rain

S01 · E15 Clouds and RainOctober 1, 2026

Stop and Go

S01 · E16 Stop and GoOctober 8, 2026

True Feelings

S01 · E17 True FeelingsOctober 15, 2026

S01 · E18 Episode 18October 22, 2026

S01 · E19 Episode 19October 29, 2026

S01 · E20 Episode 20November 5, 2026

Cast

Anna Nagase

Anna NagaseKoyuki Hikawa (voice)

Fuka Izumi

Fuka IzumiMiki Azumi (voice)

Shoya Chiba

Shoya ChibaMinato Amamiya (voice)

Satoshi Inomata

Satoshi InomataYota Hino (voice)