In a bid to safeguard against alien invasions, Dr. Jurgen from DC pioneers a global defense initiative consisting of the VTX-001 Vartoul unmanned anti-alien PT and the ODE worldwide network. Little known is the fact that a human is essential to operate the ODE core, which surprisingly relies on human organs for sustenance. When the drones suddenly embark on a series of abductions, Kyosuke and his team are dispatched to tackle this pressing issue.