Moshimo, Japan. The annual fireworks festival is about to take place and a group of schoolboys, arguing over whether they are round or flat when viewed from different angles, set out to find it out.
- Genre: Animation, Drama, Fantasy
- Studio: SHAFT, Aniplex, East Japan Marketing & Communications, Lawson Entertainment, Toho, TOY'S FACTORY, LINE, Kadokawa
- Keyword: fireworks, male friendship, lighthouse, train, summer, anime, mother daughter relationship
- Cast: Suzu Hirose, Masaki Suda, Mamoru Miyano, Shintaro Asanuma, Toshiyuki Toyonaga, Yuki Kaji