The Ramparts of Ice

1. Lines and Walls

2 Apr 2026 · 24m

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.

2. Locksmith

9 Apr 2026 · 24m

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

3. 3+(←)1

16 Apr 2026 · 24m

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.

4. Impenetrable

23 Apr 2026 · 24m

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.

5. Change

30 Apr 2026 · 24m

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.

6. New Semester

7 May 2026 · 24m

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

7. Loneliness and Solitude

14 May 2026 · 24m

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

8. On Equal Footing

21 May 2026 · 24m

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.

9. Self-Awareness

28 May 2026 · 24m

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

10. Spring

4 Jun 2026 · 24m

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.

11. Inversion

11 Jun 2026 · 24m

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.

12. Thunder

18 Jun 2026 · 24m

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.

13. Perception

25 Jun 2026 · 24m

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

14. Bombshell

2 Jul 2026 · 24m

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.

15. Clouds and Rain

1 Oct 2026 · 24m

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.

16. Stop and Go

8 Oct 2026 · 24m

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.

17. True Feelings

15 Oct 2026 · 24m

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

18. Relief

22 Oct 2026 · 24m

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.

19. Episode 19

29 Oct 2026