- Anna Nagase (Koyuki Hikawa (voice))
- Fuka Izumi (Miki Azumi (voice))
- Shoya Chiba (Minato Amamiya (voice))
- Satoshi Inomata (Yota Hino (voice))
The Ramparts of Ice — S1E10
Episode: Spring
Air Date: 2026-06-04
Runtime: 24 min
Rating: 8.4 (5 votes)
Overview
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.
Main Cast ▼
Guest Stars ▼
- Sakura Shinfuku (Tsukiko Shimojima (voice))
- Akari Kito (Momoka Kuriki (voice))
- Kakeru Hatano (Yuki Azumi (voice))
- Natsumi Kawaida (Akine Atagawa (voice))
- Rikuya Yasuda (Hayato Akahoshi (voice))
- Gakuto Kajiwara (Daichi Midorikawa (voice))
- Kento Shiraishi (Tanaka (voice))
- Toshiki Watanabe (Tanaka's Friend (voice))
- Minori Fujidera (Female Student (voice))
- Akio Otsuka (Uppi (voice))
Crew ▼
- Teru Ishii — Director
- Atsuko Ishida — Key Animation
- Nagisa Takahashi — Animation Director
- Miki Ogino — Supervising Animation Director
- Mamiko Nakanishi — Key Animation
- Mayumi Yamamoto — Key Animation
- Keisuke Nozawa — Compositing Artist
- Mako Mikami — Compositing Artist
- Maho Kuwata — Compositing Artist
- Ryuya Kezuka — Compositing Artist
- Yota Muraki — Compositing Artist
- Maho Tanabe — Animation Director
- Misaki Morishima — Key Animation
- Yoshiko Minamihara — Animation Director
- Yoshimi Imagawa — Key Animation
- Hiroshi Oikawa — Key Animation
- Kotaro Okazaki — Key Animation
- Kaoru Nagakawa — Key Animation
- Harumi Ozeki — Key Animation
- Shiori Sakashita — Key Animation
- Masaru Sano — Key Animation
- Nanami Tanaka — Key Animation
- Noriyoshi Yamazaki — Key Animation
- NAKGAE — Key Animation
- Ayumi Sunazaki — Production Assistant
- Zhang Xiaobei — Supervising Animation Director
- Riri Egashira — Special Effects
- Mika Narukawa — Special Effects
- Teru Ishii — Storyboard Artist
- Minto Maki — Animation Director
- Wu Zhao — Animation Director
- Kan — Animation Director
- Karo — Animation Director
- Ngoc Xuan — Background Designer
- Pham Van Cuong — Background Designer
- Tra Giang — Background Designer
- Bao Trang — Background Designer
- Quoc Dung — Background Designer
- Xuan Son — Background Designer
- Chi Tam — Background Designer
- Keiji Ueda — Background Designer
- Eri Sodeyama — Background Designer
- Tomomi Tsuji — Background Designer
- Anna Hashimoto — Background Designer
- Yu Oshika — Writer
- Rei Honda — Key Animation
- Natsuki Gushiken — Compositing Artist
- Yukie Tokuoka — Compositing Artist
- Kotaro Okazaki — Animation Director
- Yuri Hanazawa — Animation Director
- Atsushi Komatsu — Key Animation
- Takahiro Ninagawa — Key Animation
- Yuichiro Yamada — Key Animation
- Takuma Okamoto — Key Animation
- Yue Nadan — Key Animation
- Qin Hongjie — Key Animation
- Chen Yue — Key Animation
- Sun Daren — Key Animation
- Yukari Kato — Background Designer
- Negi — Theme Song Performance
- Keigo — Theme Song Performance
- Kaito Yamada — Theme Song Performance
- Yudai Takenaka — Theme Song Performance
- Sojiro Oki — Theme Song Performance
- Natsuki Yamada — Opening/Ending Animation
- Nobuhiro Arai — Opening/Ending Animation
- Ayako Ishihara — Opening/Ending Animation
- Mio Araki — Opening/Ending Animation
- Atsuko Ishida — Opening/Ending Animation
- Shinpei Kobayashi — Opening/Ending Animation
- Ayumi Abe — Opening/Ending Animation
- Ai Takashi — Opening/Ending Animation
- Yuuki Gotou — Opening/Ending Animation
- Shun Murata — Opening/Ending Animation
- Emi Mori — Opening/Ending Animation
- Nanako Ninomiya — Opening/Ending Animation
- Ranko Nakabayashi — Opening/Ending Animation
- Keiichiro Honjo — Opening/Ending Animation
- 36.5°C — Opening/Ending Animation
- Keisuke Nakazawa — Opening/Ending Animation
- Misaki Morishima — Opening/Ending Animation
- Miki Ogino — Opening/Ending Animation
- Hina Kobayashi — Opening/Ending Animation
- Ryuken Toida — Opening/Ending Animation
- Harushi Ejima — Theme Song Performance
- Kazuma Mitsuyasu — Theme Song Performance
- Yuki Uemura — Theme Song Performance
- Shizuku — Theme Song Performance