People from all over the galaxy vie for a chance to enter the esteemed Cosmo Academy, including Tadatos Lane, an esper with orphan origins on Terra. The ultimate test involves a hazardous mission simulation on an abandoned starship. Each batch of ten ambitious candidates embark on the challenge, but Tada's team is stunned to discover an extra member onboard the Esperanza. As the exam progresses, emotions run high and allegations of sabotage arise with Tada as the prime suspect.