Seasons and episodes
1Season 1 Apr. 02, 2026
1 - 1Episode 1 Apr. 02, 2026
1 - 2Locksmith Apr. 09, 2026
1 - 33+(←)1 Apr. 16, 2026
1 - 4Impenetrable Apr. 23, 2026
1 - 5Episode 5 Apr. 30, 2026
1 - 6Episode 6 May. 07, 2026
1 - 7Episode 7 May. 14, 2026
1 - 8Episode 8 May. 21, 2026
1 - 9Self-awareness May. 28, 2026
1 - 10Spring Jun. 04, 2026
1 - 11Inversion Jun. 11, 2026
1 - 12Thunder Jun. 18, 2026
1 - 13Perception Jun. 25, 2026
1 - 14Bombshell Jul. 02, 2026
Creator
Cast
Koyuki Hikawa (voice)
Minato Amamiya (voice)
Miki Azumi (voice)
Yota Hino (voice)
Tsubasa Igarashi (voice)
Tsukiko Shimojima (voice)
Momoka Kuriki (voice)
Yūki Azumi (voice)
Akine Atagawa (voice)
Video trailer
Synopsis
Weighed down by memories she can’t shake, high schooler Koyuki Hikawa keeps everyone at arm’s length — until three schoolmates draw her out of her shell.
Original title 氷の城壁
First air date Apr. 02, 2026
Last air date Apr. 09, 2026
Seasons 1
Episodes 12
Average Duration 24 minutes
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