The Ramparts of Ice

Season 1

14 episodes · Apr 2, 2026

Season Videos

Trailer · Official Trailer [Subtitled]

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  • Lines and Walls
    S1E1

    Lines and Walls

    Apr 2, 202624m

    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.

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  • Locksmith
    S1E2

    Locksmith

    Apr 9, 202624m

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

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  • 3+(←)1
    S1E3

    3+(←)1

    Apr 16, 202624m

    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.

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  • Impenetrable
    S1E4

    Impenetrable

    Apr 23, 202624m

    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.

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  • Change
    S1E5

    Change

    Apr 30, 202624m

    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.

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  • New Semester
    S1E6

    New Semester

    May 7, 202624m

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

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  • Loneliness and Solitude
    S1E7

    Loneliness and Solitude

    May 14, 202624m

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

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  • On Equal Footing
    S1E8

    On Equal Footing

    May 21, 202624m

    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.

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  • Self-Awareness
    S1E9

    Self-Awareness

    May 28, 202624m

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

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  • Spring
    S1E10

    Spring

    Jun 4, 202624m

    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.

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  • Inversion
    S1E11

    Inversion

    Jun 11, 202624m

    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.

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  • Thunder
    S1E12

    Thunder

    Jun 18, 202624m

    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.

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  • Perception
    S1E13

    Perception

    Jun 25, 202624m

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

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  • Bombshell
    S1E14

    Bombshell

    Jul 2, 202624m

    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.

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