Following the mock battle, Hiro's fellow pilots are assigned to their first sortie, with the task of defeating a Klaxosaur under the city, but as they are about to leave, Ikuno and Mitsuru's connection falters, thus the pilots of Delphinum, Argenta and Genista proceed without them. However, the situation turns to the worst when they end up surrounded by a horde of Klaxosaurs and are forced to flee...