Seto was born in Tokyo, Japan. She moved to France to study art at the École supérieure des beaux-arts in Marseille and later at Le Fresnoy – Studio national des arts contemporains. She works as a director at CNRS (The French National Center for Scientific Research), where she makes scientific documentaries in collaboration with researchers in the humanities and social sciences. In 2021, she received the CNRS Cristal, the highest distinction for a scientific filmmaker. In addition, she creates personal works, as well as experimental and documentary films.
The short films in her PLANET series have been showcased at numerous festivals and art events worldwide. PLANET Σ received the Audi Short Film Award at the Berlinale Shorts in 2015—an award recognizing works with a “strong artistic signature”—and is part of the prestigious Mori Art Museum collection in Tokyo. PLANET A is also included in the Cinémathèque Française collection. In 2017, her virtual reality film, PLANET∞, was added to the mk2 Films catalog. Seto has also directed several documentaries, some filmed in Japan, which have been broadcast on France TV.