The Ramparts of Ice

TBSReturning Series
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.

Next episodeS1E19 — Episode 19Friday, 30 October 2026
airs in 6 daysView episodes

Episodes

S1:E1

Lines and Walls

02/04/2026

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.

24 min
S1:E2

Locksmith

09/04/2026

To Koyuki's relief, Yota comes to her rescue. After their initial study session, they grow more comfortable with each other — which unsettles Minato.

24 min
S1:E3

3+(←)1

16/04/2026

Bothered that Koyuki still has her guard up around him, Minato tries to make small talk. As Miki grows suspicious of his intentions, she confronts him.

24 min
S1:E4

Impenetrable

23/04/2026

At Miki's prodding, Minato clarifies his interest in her best friend. An unexpected visitor triggers Koyuki's bad memories, leading to a harsh outburst.

24 min
S1:E5

Change

30/04/2026

Koyuki mulls over the tense exchange in the infirmary. After Yota clears the air, she tries to have an honest conversation with Minato for the first time.

24 min
S1:E6

New Semester

07/05/2026

As winter break ends, the usually calm Minato begins to realize his feelings are changing. Miki notices how close Yota and Koyuki have become.

24 min
S1:E7

Loneliness and Solitude

14/05/2026

After reflecting on her own loneliness and worrying that Yota is bottling everything up, Koyuki reaches out and asks about his true feelings.

24 min
S1:E8

On Equal Footing

21/05/2026

Determined not to mess up high school, Miki has faked her persona since day one. But not being herself around her classmates starts to wear her down.

24 min
S1:E9

Self-Awareness

28/05/2026

Minato realizes how Koyuki is always on his mind. Later, while hanging out at the new mall, the misunderstanding between the four friends deepens.

24 min
S1:E10

Spring

04/06/2026

A spring break trip to the amusement park brings the four friends closer. Back at school, Koyuki's surprised by a familiar face — and Minato takes notice.

24 min
S1:E11

Inversion

11/06/2026

Koyuki broods over her complicated past with Akine's sister, Manatsu, and what the first year might know. Meanwhile, Momoka sets her sights on Minato.

24 min
S1:E12

Thunder

18/06/2026

As Koyuki slowly notices her new, surprising feelings towards Minato, first-year Momoka suddenly tries to cozy up to her — for reasons she can't grasp.

24 min
S1:E13

Perception

25/06/2026

With Akine's words ringing in her head, Koyuki's feelings become complicated. Later, an accident causes something to shift between Miki and Yota.

24 min
S1:E14

Bombshell

02/07/2026

Unsure of how to move forward, Miki avoids Yota and confides in her colleagues. A bold Momoka confronts Koyuki about Minato and lights a fuse.

24 min
S1:E15

Clouds and Rain

01/10/2026

Gray skies mirror the group's uneasy mood. Momoka senses a chance to get closer to Minato, while Miki can barely face Yota after turning him down.

24 min
S1:E16

Stop and Go

08/10/2026

Cultural festival prep begins and Miki and Yota ease back to normal. But as Minato grapples with his desire to stay close to Koyuki, Momoka makes a move.

24 min
S1:E17

True Feelings

15/10/2026

Reeling from the news that Minato and Momoka are dating, Koyuki fights to keep her composure. Miki, meanwhile, confronts Minato about his true intentions.

24 min
S1:E18

Relief

22/10/2026

In agony over Minato, Koyuki confides in Tsukiko — who sees what Koyuki refuses to. Then a run-in with Igarashi forces her to reflect on her own walls.

24 min
S1:E19

Episode 19

29/10/2026
S1:E20

Episode 20

05/11/2026
S1:E21

Episode 21

12/11/2026
S1:E22

Episode 22

19/11/2026
S1:E23

Episode 23

26/11/2026
S1:E24

Episode 24

03/12/2026
S1:E25

Episode 25

10/12/2026
S1:E26

Episode 26

17/12/2026
S1:E27

Episode 27

24/12/2026
S1:E28

Episode 28

31/12/2026