Character profile
Yin
銀Biography
Yin is an emotionless spirit medium known as a Doll and a member of Hei's team. Her abilities center on tracking and observation through direct contact with water, and she is initially described as having only a minimal "program" for independent thought.
Story spoilers
Yin later chooses to remain with Hei and the others when offered the chance to leave, suggesting a return of her humanity. Her real name is Kirsi, she is of Finnish origin, and she once studied under pianist Eelis Kastinen.
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