The Ramparts of Ice

Also known as: Koori no Jouheki / 氷の城壁

The Ramparts of Ice is a TV series by Studio KAI that premiered in Spring 2026. It is finished airing with 14 episodes of about 24 minutes each. Genres: Comedy, Drama, Romance, Slice of Life. Average AniList score: 8.3/10.

Synopsis

Socially inept, Higawa Koyuki maintains a wall between herself and other people. She spends her time in high school alone, until she meets Amamiya Minato, a boy who keeps trying to close the distance between them for some reason?!

The loner Koyuki, the popular Miki, the boundary-less Minato, and the kind basketball player Youta. This is the story about four complicated and confused young people and their mixed up lives!

(Source: Margaret, translated)

The Ramparts of Ice episodes

1. Episode 1: Lines and Walls — aired April 2, 2026
2. Episode 2: Locksmith — aired April 9, 2026
3. Episode 3: 3+(<-)1 — aired April 17, 2026
4. Episode 4: Impenetrable — aired April 23, 2026
5. Episode 5: Change — aired April 30, 2026
6. Episode 6: New Semester — aired May 7, 2026
7. Episode 7: Loneliness and Solitude — aired May 14, 2026
8. Episode 8: On Equal Footing — aired May 21, 2026
9. Episode 9: Self-awareness — aired May 28, 2026
10. Episode 10: Spring — aired June 4, 2026
11. Episode 11: Inversion — aired June 11, 2026
12. Episode 12: Thunder — aired June 18, 2026
13. Episode 13: Perception — aired June 25, 2026
14. Episode 14: Bombshell — aired July 2, 2026

Main characters

• Koyuki Hikawa (Main) — voiced by Anna Nagase
• Minato Amamiya (Main) — voiced by Shouya Chiba
• Miki Azumi (Main) — voiced by Fuuka Izumi
• Youta Hino (Main) — voiced by Satoshi Inomata
• Tsubasa Igarashi (Supporting) — voiced by Chiaki Kobayashi
• Tsukiko Shimojima (Supporting) — voiced by Sakura Shinfuku
• Momoka Kuriki (Supporting) — voiced by Akari Kitou
• Yuki Azumi (Supporting) — voiced by Kakeru Hatano
• Akine Atagawa (Supporting) — voiced by Natsumi Kawaida
• Miharu (Supporting) — voiced by Miria Takagishi

Related anime

• Character: You and I Are Polar Opposites
• Sequel: The Ramparts of Ice Season 2

Anime like The Ramparts of Ice

• You and I Are Polar Opposites (2026) — TV series
• You and I Are Polar Opposites Season 2 (2026) — TV series
• Kimi ni Todoke: From Me to You (2009) — TV series
• Skip and Loafer (2023) — TV series
• Horimiya (2021) — TV series
• The Fragrant Flower Blooms With Dignity (2025) — TV series
• Blue Box (2024) — ONA
• Toradora! (2008) — TV series

Genres: Comedy, Drama, Romance, Slice of Life · Season: Spring 2026