The Thunder 3 anime is backed by an experienced creative team. Director Hiroyuki Seshita is known for his work on popular CG anime such as Knights of Sidonia, Ajin, and the animated Godzilla trilogy.
Series composition is handled by Hiroshi Seko, whose credits include Attack on Titan: The Final Season, Jujutsu Kaisen, and Chainsaw Man. With these veteran creators leading the project, fans are expecting the anime to faithfully bring the manga’s emotional story and action-packed battles to the screen.
YURI Performs the Opening Theme for Thunder 3
One of the biggest announcements for Thunder 3 is that Japanese singer-songwriter YURI will perform the anime’s opening theme song. The reveal was made during the series’ panel at Anime Expo 2026, where fans also got their first look at the new opening through the latest promotional trailer. The ending theme, “Shururerira,” will be performed by singer-songwriter Otoha.
The newly released trailer highlights YURI’s energetic opening song while introducing new scenes from the anime. It showcases the series’ mix of everyday school life and fast-paced sci-fi action, giving viewers a better idea of the tone they can expect when the anime premieres.
While the opening song’s digital release date has not yet been announced, the preview received a positive response from fans attending Anime Expo and those watching online. The music has already become one of the early highlights leading up to the anime’s July debut.
Anime Expo 2026 Showcases New Trailer and Early Premiere
Thunder 3 made a strong impression at Anime Expo 2026, where attendees were treated to an advance screening of the anime before its official television premiere. The event served as the series’ biggest international showcase ahead of its global release.
The panel also featured director Hiroyuki Seshita and series composer Hiroshi Seko, who spoke about bringing Yuki Ikeda’s manga to life. Fans also received exclusive announcements and preview footage that was shown for the first time during the event.
The anime is scheduled to premiere on July 8, 2026, on Fuji TV’s +Ultra programming block in Japan. It will also stream worldwide on Netflix, making it easily accessible for international audiences.
What Is Thunder 3 About?
Based on the manga by Yuki Ikeda, Thunder 3 follows middle-school student Pyontaro and his two best friends, who are known together as the Small Three. Their quiet everyday lives suddenly change after Pyontaro’s younger sister, Futaba, mysteriously disappears.
The friends discover that Futaba has been pulled into a dangerous parallel world connected to a mysterious disc borrowed from their teacher. Determined to bring her home safely, they enter another dimension filled with powerful enemies, advanced technology, and life-threatening challenges.
Although the story begins as a simple adventure about friendship, it gradually expands into a thrilling sci-fi series packed with emotional moments, large-scale action, and multiverse battles. These elements have helped the manga earn praise from readers since its debut in 2022.
Experienced Staff and Cast Lead the Anime
Thunder 3 is being produced by an experienced creative team with several popular anime titles to their name. Director Hiroyuki Seshita is known for his work on Knights of Sidonia, Ajin, and the animated Godzilla trilogy.
Series composition is handled by Hiroshi Seko, whose previous work includes Attack on Titan: The Final Season, Jujutsu Kaisen, and Chainsaw Man. Their experience has increased expectations that the anime will faithfully adapt the manga’s emotional story and exciting action.
The main voice cast includes Sayumi Suzushiro as Pyontaro, Natsumi Kawaida as Tsubame, Eri Akiyama as Hiroshi, and Honoka Mitsubachi as Futaba.
Why Fans Are Excited for Thunder 3
Since its manga debut, Thunder 3 has gained a loyal fanbase for its unique blend of friendship, comedy, science fiction, and intense action. Readers have especially praised its detailed artwork and the way it balances emotional storytelling with spectacular battles.
The anime adaptation has continued to build excitement with its talented staff, strong voice cast, and music lineup featuring YURI and Otoha. Its worldwide Netflix release also gives the series a chance to reach a much larger international audience from day one.
With its July 8, 2026, premiere approaching, Thunder 3 is shaping up to be one of the most anticipated anime of the Summer 2026 season. Fans are eager to see whether the adaptation can deliver the same emotional impact and thrilling adventure that made the original manga so popular.
