is a Japanese novel written by Shinji Ishii. The novel was originally published online through Biriken Shuppan in October 2001, and was later published in print by Shinchosha under their Shincho Bunko imprint in March 2006. A musical anime film adaptation produced by Shin-Ei Animation premiered in Japan in November 2025.
Summary Giuseppe is a man who becomes quickly obsessed with hobbies, hyper-fixating on them for a short while before becoming obsessed with a new hobby.
While out trying to catch a blue butterfly, he notices a balloon seller in a local park and falls head-over-heels in love with her.
Characters
Media Novel
Anime film A musical anime film adaptation was announced on May 21, 2025. The film is produced by Shin-Ei Animation and directed by Wataru Takahashi, from a screenplay written by Naoyuki Miura, characters designed by Masatsugu Arakawa, and music composed by atagi from Awesome City Club. It was released in Japan by Bandai Namco Filmworks on November 7, 2025. The film's ending theme is performed by Awesome City Club, while the film features five original songs such as performed by Masaya Sano of Ae! Group and Moka Kamishiraishi as their respective main characters.
References
External links