The Ramparts of Ice

• 
  E1

  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.

  2026-04-02 · 24m
  Mark watched
• 
  E2

  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.

  2026-04-09 · 24m
  Mark watched
• 
  E3

  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.

  2026-04-16 · 24m
  Mark watched
• 
  E4

  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.

  2026-04-23 · 24m
  Mark watched
• 
  E5

  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.

  2026-04-30 · 24m
  Mark watched
• 
  E6

  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.

  2026-05-07 · 24m
  Mark watched
• 
  E7

  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.

  2026-05-14 · 24m
  Mark watched
• 
  E8

  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.

  2026-05-21 · 24m
  Mark watched
• 
  E9

  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.

  2026-05-28 · 24m
  Mark watched
• 
  E10

  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.

  2026-06-04 · 24m
  Mark watched
• 
  E11

  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.

  2026-06-11 · 24m
  Mark watched
• E12

  Episode 12

  No description.

  2026-06-18
  Mark watched

Top cast

Anna Nagase

Koyuki Hikawa (voice)

Shoya Chiba

Minato Amamiya (voice)

Fuka Izumi

Miki Azumi (voice)

Satoshi Inomata

Yota Hino (voice)

Chiaki Kobayashi

Tsubasa Igarashi (voice)

Sakura Shinfuku

Tsukiko Shimojima (voice)

Akari Kito

Momoka Kuriki (voice)

Kakeru Hatano

Yūki Azumi (voice)

Natsumi Kawaida

Akine Atagawa (voice)