A Teaser Visual Where Nobody Looks at Anyone
The reveal landed the moment season 1 ended. According to a report from Japanese anime news site Anime Hack, the second season was announced directly after the broadcast of episode 14, the season 1 finale, titled "Bakudan" (Bomb).
The new teaser visual gathers all four leads, Koyuki, Miki, Minato, and Yōta, in a single image, but the composition is deliberately built so that none of their gazes cross. Per the report, each character is drawn with a clouded expression, and the whole piece carries a heavy, uneasy air. For a series about friendships fraying through small miscommunications, the poster tells you where things stand without a word of copy.
A season 2 announcement PV also went up on the show's official YouTube channel, confirming the premiere date of October 1, 2026, in the same Thursday 11:56 p.m. slot, broadcast nationwide across 28 TBS-network stations. That means the gap between seasons is a single three-month break, an unusually fast turnaround for a TV anime.
What The Ramparts of Ice Is About
The Ramparts of Ice (Kōri no Jōheki) is an ensemble high school drama built around four students whose feelings keep slipping past each other. Koyuki Hikawa, voiced by Anna Nagase, is a self-isolating girl who struggles to connect with people. Her childhood friend Miki Azumi (Fūka Izumi) is the school's resident idol. Minato Amamiya, played by Shōya Chiba (Shin Nouzen in 86, Kiyotaka Ayanokōji in Classroom of the Elite), is the boy with zero sense of personal distance who befriends everyone instantly. Rounding out the four is Yōta Hino (Satoshi Inomata), a gentle, even-keeled member of the basketball club.
The manga comes from Kocha Agasawa, whose other series You and I Are Polar Opposites also received an anime adaptation. The Ramparts of Ice started life as a self-published webtoon before running on Line Manga, the manga app from messaging giant Line, from 2020 to 2022. Shueisha published the print edition, which wrapped at 14 volumes.
Season 1 was produced at Studio KAI, directed by Mankyū with series composition by Yasuhiro Nakanishi and character designs by Miki Ogino. It premiered April 2, 2026 on TBS and ran 14 episodes through early July.
Looking Ahead
Season 2 premieres Thursday, October 1, 2026 at 11:56 p.m. in Japan, airing simultaneously on 28 TBS-network stations.
For international viewers, the good news is that season 1 streamed worldwide on Netflix, which picked up the series as a global exclusive ahead of its April debut. Netflix has not yet been confirmed for season 2, and no other international distribution has been announced so far. Given the show returns in under three months, that answer should come quickly.
The source manga is complete in Japan at 14 volumes from Shueisha. Readers who want to know where the story goes before October can read ahead there, though for now the anime remains the most accessible way in for English-speaking fans.