Marie

Serving as the self-sustaining, quasi-organic master control program for Mizuho’s vessel, this maintenance-free entity functions as a vital mobile interface for the ship's operating system. Often seen floating within an inner tube while playing a tiny guitar, the character communicates through vague noises and gestures. Following a physical altercation with Kei during a frantic escape, Marie’s programming suffered significant corruption, creating a dangerous instability that threatens the safety of both Mizuho and Kei.