In a near-future Japan, five ordinary girls are chosen to fight against mysterious digital threats known as "Phantoms" that invade reality from cyberspace. Using advanced technology, they transform into "Trinarys" and battle these anomalies, while also confronting their own personal struggles and secrets. The story blends science fiction, drama, and the emotional growth of the heroines as they work together to protect both the real and digital worlds.

In a near-future Japan, five ordinary girls are chosen to fight against mysterious digital threats known as "Phantoms" that invade reality from cyberspace. Using advanced technology, they transform into "Trinarys" and battle these anomalies, while also confronting their own personal struggles and secrets. The story blends science fiction, drama, and the emotional growth of the heroines as they work together to protect both the real and digital worlds.