Lala Hiyama is a human who wears a bear-like life support suit to sustain herself. She’s part of the original Immortal Ship Committee, former Gardes pilot, and best friend to former ace pilot Hiroki Saitou. She left the committee after Hiroki had a fall out with them. Lala is now the “dorm mother” to Sidonia’s cadets. Due to her bond with Hiroki, she took personal interest in looking after Nagate Tanikaze.