Overview
FormatTV
StudioStudio KAI
AniList Score82%
StatusFINISHED
Characters
Koyuki Hikawamain
Minato Amamiyamain
Miki Azumimain
Youta Hinomain
Uppisupporting
Tsubasa Igarashisupporting
Pontasupporting
Tsukiko Shimojimasupporting
Momoka Kurikisupporting
Yuki Azumisupporting
Akine Atagawasupporting
Miharusupporting
Manatsu Atagawasupporting
Marisupporting
Mukosupporting
Meisupporting
Minato no Kanojosupporting
Tanakasupporting
Tatsusupporting
Daichi Midorikawasupporting
Staff
Koucha AgasawaOriginal Creator
MankyuuDirector
Yasuhiro NakanishiSeries Composition
Miki OginoCharacter Design
Eriko ItouSub Character Design
Yuuji HamadaProp Design
Yuuna FuekiCostume Design
KotonoCostume Design
Shin MaedaArt Director
Shin MaedaArt Design
Haruko NoboriColor Design
Mika WatanabeDirector of Photography
Masato YoshitakeEditing
Naoya SakayoriCG Director
Kouhei YoshidaSound Director
Natsumi TabuchiMusic
Kanade SakumaMusic
Taiki ItouAnimation Producer
Hirokazu ShibaChief Animation Producer
Shouta YasoSound Effects
Other Details
Native Title氷の城壁
Aired Year2026 (SPRING)
Source MaterialMANGA
Genres
ComedyDramaRomanceSlice of Life
The Ramparts of Ice
2026TVFINISHED82% Score
Synopsis
EP 1
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.
EP 2
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.
EP 3
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.
EP 4
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.
EP 5
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.
EP 6
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.
EP 7
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.
EP 8
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.
EP 9
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.
EP 10
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.
EP 11
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.
EP 12
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.
EP 13
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.
EP 14
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.