Arata Kagami seeks to get the Hyper Zecter just like Souji ... Tendou Once he realizes that he has to be himself the Hyper Zecter appears and allows him to transform into Kamen Rider Gatack ...

In order to counter this new threat, ZECT was formed, who in turn created the Masked Rider System to ... to be created. Souji Tendou, a man weilding the Kabuto Zector, decides to sell his power ...