A patient at Ootomi General Hospital and one of Totonou's friends. She has memorized Marcus Aurelius's __Meditations__ and uses that as a form of code to communicate secret information. She has a younger sister named Chiyako who she cares about deeply.
~!Leica is actually an alter of Chiyako, who developed Dissociative Identity Disorder after experiencing prolonged abuse from her father. The name "Leica" came from a camera her father used to love. Leica initially views herself as a camera, rather than a human. However, as her friendship with Totonou deepens, her feelings and emotions begin to change and she starts to perceive herself as a human being.!~