10-FEET release 'Fortress Defense,' opening theme for Aoashi Season 2
The band's music video for the track was posted on their official YouTube channel after the anime premiered in Japan on October 4, 2026.
10-FEET digitally released the song "Fortress Defense" on October 5. The track serves as the opening theme for the first part of the TV anime Aoashi Season 2, according to Crunchyroll.
The music video for "Fortress Defense" was posted on 10-FEET's official YouTube channel. Aoashi Season 2 premiered in Japan on October 4, 2026.
Crunchyroll streams Aoashi Season 2 in multiple regions. Kazuki Yokoyama takes over as director for Season 2 at TMS Entertainment, while Masahiro Yokotani returns as series composer and Masaru Yokoyama returns as music composer.
10-FEET was formed in 1997 by TAKUMA, NAOKI, and KOUICHI. The band previously performed "Dai Zero-kan," the ending theme for the 2022 anime film THE FIRST SLAM DUNK.
Quick answers
What is the opening theme for Aoashi Season 2 Part 1?
"Fortress Defense" by 10-FEET is the opening theme for the first part of Aoashi Season 2.
When did Aoashi Season 2 premiere?
Aoashi Season 2 premiered in Japan on October 4, 2026.