Marie

Marie was mortally injured due to the accident, and carried to the hospital. She went out of the medical treatment capsule after long sleep.Where is here? Dim ruins... She is solitary.
She found hologram that father had left in the room.
She is equipping her leg with the medical equipment of the nanothium alloy.And, it cannot be removed. Because this apparatus is very heavy, she cannot swim.
Physical strength has decreased because she was sleeping very long.
And, her breath hold is also difficult.

Tanner

He is Marie's father.
The hologram that he left exceeds time and supports her.