Episode : NIGHT WALKER
Info : A string of murders with female victims dead with short hair and glasses leads Birdy to investigate them with Tsutomu. The culprit is revealed to be a combat rogue puppet, which is killing the victims as it thinks of them as the mother, the main programmer when the puppet of what placed under her care. Birdy attempts to retrieve it, but is supposedly attacked by a federation-based person with a guardian robot that attacks her to keep her away from acquiring the disabled robot.