The TV series began airing in Japan on October 4, 2012, and shortly after on internet streaming services.
On a full moon night, Tsubasa finds a damaged Shinki model and takes it home.
The TV series was licensed in North America by Sentai Filmworks in 2012 and began streaming on The Anime Network with episodes posted shortly after they were broadcast in Japan.
High school freshman Rihito, who just came back from abroad, started a new life in Japan with his four Busou Shinki, female action figures with weapons.
Get ready for sparks to fly as four battery-powered princesses take charge of Rihito's world in Busou Shinki!