Series

The Ramparts of Ice

2026★ 8.6S1 E1

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.

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Episodes

Season 1 · Season 1

Latest S1 E1
1 Lines and Walls ▶ Lines and Walls 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. Not watched yet 24m 2 Locksmith ▶ Locksmith To Koyuki's relief, Yota comes to her rescue. After their initial study session, they grow more comfortable with each other — which unsettles Minato. Not watched yet 24m 3 3+(←)1 ▶ 3+(←)1 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. Not watched yet 24m 4 Impenetrable ▶ Impenetrable 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. Not watched yet 24m 5 Change ▶ Change 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. Not watched yet 24m 6 New Semester ▶ New Semester As winter break ends, the usually calm Minato begins to realize his feelings are changing. Miki notices how close Yota and Koyuki have become. Not watched yet 24m 7 Loneliness and Solitude ▶ Loneliness and Solitude After reflecting on her own loneliness and worrying that Yota is bottling everything up, Koyuki reaches out and asks about his true feelings. Not watched yet 24m 8 On Equal Footing ▶ On Equal Footing 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. Not watched yet 24m 9 Self-Awareness ▶ Self-Awareness Minato realizes how Koyuki is always on his mind. Later, while hanging out at the new mall, the misunderstanding between the four friends deepens. Not watched yet 24m 10 Spring ▶ Spring 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. Not watched yet 24m 11 Inversion ▶ Inversion 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. Not watched yet 24m 12 Thunder ▶ Thunder 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. Not watched yet 24m 13 Perception ▶ Perception With Akine's words ringing in her head, Koyuki's feelings become complicated. Later, an accident causes something to shift between Miki and Yota. Not watched yet 24m 14 Bombshell ▶ Bombshell 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. Not watched yet 24m 15 Clouds and Rain ▶ Clouds and Rain 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. Not watched yet 24m 16 Stop and Go ▶ Stop and Go 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. Not watched yet 24m 17 True Feelings ▶ True Feelings Reeling from the news that Minato and Momoka are dating, Koyuki fights to keep her composure. Miki, meanwhile, confronts Minato about his true intentions. Not watched yet 24m 18 Relief ▶ Relief 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. Not watched yet 24m 19 Transition ▶ Transition 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. Not watched yet 24m 20 Cultural Festival ▶ Cultural Festival 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. Not watched yet 24m

Cast

Anna NagaseKoyuki Hikawa (voice)
Fuka IzumiMiki Azumi (voice)
Shoya ChibaMinato Amamiya (voice)
Satoshi InomataYota Hino (voice)

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