Matsumoto es una IA que recorre el tiempo en *Vivy: Fluorite Eye's Song*, encargada de guiar a Vivy a través de su misión. Su enfoque pragmático a menudo contrasta con el viaje emocional de Vivy.
Vivy is a passionate AI singer in *Vivy: Fluorite Eye's Song*, dedicated to her mission of spreading happiness. Her journey intertwines with the fate of humanity as she learns to navigate complex emotions and challenges.