Seasons and episodes
1Season 1 Apr. 02, 2026
1 - 1Lines and Walls Apr. 02, 2026- 1 - 2Locksmith Apr. 09, 2026
- 1 - 33+(←)1 Apr. 16, 2026
- 1 - 4Impenetrable Apr. 23, 2026
- 1 - 5Change Apr. 30, 2026
- 1 - 6New Semester May. 07, 2026
- 1 - 7Loneliness and Solitude May. 14, 2026
- 1 - 8On Equal Footing May. 21, 2026
- 1 - 9Self-Awareness May. 28, 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)
Miki Azumi (voice)
Minato Amamiya (voice)
Yota Hino (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
TMDb Rating 8 3,080 votes
First air date Apr. 02, 2026
Last air date Oct. 29, 2026
Seasons 1
Episodes 28
Average Duration 24 minutes
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