In the lore of the movie, songs are what kept the bubbles together. The soundtrack implies that music is a literal force of physics in this world. Sawano composed the score to feel like a requiem for a dying world. As the bubbles begin to burst and the reality of the "Hibya" expansion sets in, the music shifts from pop-energy to tragic symphony. It turns a sci-fi action movie into a tearjerker, purely through the power of the audio mix.
The soundtrack blends Sawano’s signature orchestral-electronic style with vocal performances. anime bubble soundtrack
The "King of J-Pop," Komuro, scored the City Hunter series, which is essentially Miami Vice in Shinjuku. The soundtrack is aggressive, synth-heavy, and built for night driving. The opening theme "Go Go Heaven" is the unofficial anthem of the bubble era—euphoric, loud, and utterly unconcerned with the recession that was hiding around the corner. In the lore of the movie, songs are
"Jaa ne, Mata ne" (See You, Catch You Later) by Riria. , who also provides the voice for the film's heroine, Uta. Highlighted Tracklist As the bubbles begin to burst and the
This shift works perfectly for the setting. Bubble is not a war story; it is a tragic romance. The music feels lighter, airier, and more digital. The use of synthesizers mimics the fragile, iridescent surface of a soap bubble. Just as a bubble can pop at any moment, the songs often carry a tension—a fragility beneath the beautiful production.