It helps Red take the Cygnus back from Nomad and her pirates. After Red retakes the Cygnus, it detects something about Red. Red tells it to join him and not tell anyone. BJ&K thereafter helps Red on his quest.
BJ&K is specifically designed to look after organic life and specializes in healing non-Mec allies with its MediPack.
- While the same type of Mec as EngineerCar, it has a MediPack instead of a RepairPack since it is designed to heal and care for organic beings rather than machines.