Yuito and Nagi are inducted into the Scarlet Guardians and meet their team members, each with their own psionic power. Soon after, they join the battle against invading mutants known as Others, but could there be more to the invasion than meets the eye?
Kasane, the rearguard's coming!
Kasane, da kommen noch mehr.
¡Kasane, viene la retaguardia!
¡Kasane, viene la retaguardia!
Kasane, d’autres arrivent !
Kasane, a retaguarda está chegando!