Poster for The Ramparts of Ice Season 1

The Ramparts of Ice

The Ramparts of Ice: Season 1

  • Premiered Apr 2, 2026
  • 28 episodes

Where to watch

Episodes

  1. 1. Lines and Walls

    · 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. 2. Locksmith

    · 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. 3+(←)1

    · 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. 4. Impenetrable

    · 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. 5. Change

    · 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. 6. New Semester

    · 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. 7. Loneliness and Solitude

    · 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. 8. On Equal Footing

    · 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. 9. Self-Awareness

    · 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. 10. Spring

    · 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. 11. Inversion

    · 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. 12. Thunder

    · 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. 13. Perception

    · 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. 14. Bombshell

    · 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. 15. Clouds and Rain

    · 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. 16. Stop and Go

    · 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. 17. True Feelings

    · 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. 18. Relief

    · 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. 19. Transition

    · 24m

    Miki watches the group joke around at the bowling alley, amazed by how normal it all seems. Beneath the surface, though, no one's feelings are the same.

  20. 20. Cultural Festival

    · 24m

    Summer's over and Class 2-2 takes the stage for the cultural festival. But while everyone else celebrates, Minato slowly realizes that something is off.

  21. 21. Episode 21

  22. 22. Episode 22

  23. 23. Episode 23

  24. 24. Episode 24

  25. 25. Episode 25

  26. 26. Episode 26

  27. 27. Episode 27

  28. 28. Episode 28

Episode information from TMDB. Air dates refer to the original broadcast or release.