Taking a break from their latest triumph over Faust and the Spiral Core, Ginga and his friends find themselves saving a boy named Yuuki from a mysterious boy named Johannes. Although Yuuki is a boy genius and an astronomer, he is a Blader who owns Anubius. Yuuki says that he has come to tell Ginga and his friends about the voice of the Star Fragment, and that it must not fall into the hands of evil. He witnessed the Star Fragment fall from the sky one day. That single light dwells within Anubius and he says that he heard the voice of the Star Fragment that evening. A great evil is trying to revive the Black Sun and the Nemesis, the Greek goddess of Revenge, by using the unknown power of the Star Fragment, and destroy the world. They must find the ten legendary bladers (The four seasons is Ginga, Kyouya, Ryuga, (Kenta) and Chris. The five solor sestem bey legendary bladerers Yuuki, King, Aguma, Tiphi, and Dynamies. the one who has Nemesis is Rago.) in order to prevent Nemesis from reviving. In the end, Ginga defeats the God of Destruction with a new special move, Super Cosmic Nova.