The Ramparts of Ice

1. Lines and Walls

Air Date: 2026-04-02

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.

2. Locksmith

Air Date: 2026-04-09

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

3. 3+(←)1

Air Date: 2026-04-16

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.

4. Impenetrable

Air Date: 2026-04-23

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.

5. Change

Air Date: 2026-04-30

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.

6. New Semester

Air Date: 2026-05-07

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

7. Loneliness and Solitude

Air Date: 2026-05-14

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

8. Episode 8

Air Date: 2026-05-21

9. Episode 9

Air Date: 2026-05-28

10. Episode 10

Air Date: 2026-06-04

11. Episode 11

Air Date: 2026-06-11

12. Episode 12

Air Date: 2026-06-18