Release date: April 2, 2026 on Netflix.

Synopsis: The Ramparts of Ice centers around Koyuki Hikawa, a socially withdrawn student who keeps an emotional wall between herself and others. The only person she spends time with is her longtime friend, Miki Azumi.

One day, her quiet life is disrupted when a boy named Minato Amamiya inexplicably starts trying to break through her barriers.

The aloof Koyuki, the high school idol Miki, the overly familiar Minato and the laid-back basketball player Yota share an awkward, occasionally frustrating, yet wholesome student life.

Directed by MANQ.

Written by Yasuhiro Nakanishi.

Based on the manga by Kocha Agasawa.

Music by Kanade Sakuma and Natsumi Tabuchi.

Voice cast:
Anna Nagase as Koyuki Hikawa
Fuka Izumi as Miki Azumi
Shoya Chiba as Minato Amamiya
Satoshi Inomata as Yota Hino