Animation•Drama

All Episodes of The Ramparts of Ice

Browse all episodes of The Ramparts of Ice

Binge this in 5h 12m•Peaking at 9.0/10

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.

Airs on

Select Season:

Season 1

9.0/101 votes
Perception
Season 1 Episode 13 - Aired 6/25/2026
With Akine's words ringing in her head, Koyuki's feelings become complicated. Later, an accident causes something to shift between Miki and Yota.
Director: Yūichi Abe
Writer: Yasuhiro Nakanishi
7.5/102 votes
Self-Awareness
Season 1 Episode 9 - Aired 5/28/2026
Minato realizes how Koyuki is always on his mind. Later, while hanging out at the new mall, the misunderstanding between the four friends deepens.
Director: Shigatsu Yoshikawa
Writer: Yasuhiro Nakanishi
7.5/102 votes
Inversion
Season 1 Episode 11 - Aired 6/11/2026
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.
Director: Miichiro Kamenosono
Writer: Yasuhiro Nakanishi
7.3/103 votes
Locksmith
Season 1 Episode 2 - Aired 4/9/2026
To Koyuki's relief, Yota comes to her rescue. After their initial study session, they grow more comfortable with each other — which unsettles Minato.
Director: Mamoru Enomoto
Writer: Yasuhiro Nakanishi
7.0/102 votes
Loneliness and Solitude
Season 1 Episode 7 - Aired 5/14/2026
After reflecting on her own loneliness and worrying that Yota is bottling everything up, Koyuki reaches out and asks about his true feelings.
Director: Mamoru Enomoto
Writer: Yuta Suzuki
7.0/101 votes
Spring
Season 1 Episode 10 - Aired 6/4/2026
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.
Director: Teru Ishii
Writer: Yu Oshika
6.8/104 votes
Lines and Walls
Season 1 Episode 1 - Aired 4/2/2026
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.
Director: Teru Ishii
Writer: Yasuhiro Nakanishi
6.5/102 votes
On Equal Footing
Season 1 Episode 8 - Aired 5/21/2026
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.
Director: Yūichi Abe
Writer: Yu Oshika
6.5/102 votes
Thunder
Season 1 Episode 12 - Aired 6/18/2026
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.
Director: Teru Ishii, Takumi Yokoyama, Minagi Koga
Writer: Kei Shimobayashi
6.0/103 votes
3+(←)1
Season 1 Episode 3 - Aired 4/16/2026
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.
Director: Yūichi Abe
Writer: Yasuhiro Nakanishi
6.0/102 votes
Impenetrable
Season 1 Episode 4 - Aired 4/23/2026
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.
Director: Shigatsu Yoshikawa
Writer: Yasuhiro Nakanishi
6.0/102 votes
Change
Season 1 Episode 5 - Aired 4/30/2026
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.
Director: Teru Ishii
Writer: Yasuhiro Nakanishi
6.0/102 votes
New Semester
Season 1 Episode 6 - Aired 5/7/2026
As winter break ends, the usually calm Minato begins to realize his feelings are changing. Miki notices how close Yota and Koyuki have become.
Director: Teru Ishii
Writer: Yasuhiro Nakanishi