Minamino, Karen

美波野カレン

She is usually silent and rarely displays any facial expression, speaking only when necessary. Regarding Eri's investigation, Karen's past history remains unknown.
Karen bears a butterfly insignia on her left breast. Upon magnification, the insignia is revealed to be composed of minute numbers that decode into the sentence "the gate of the truth will be opened by the sleeping butterfly" and a map coordinate, which is the destination the group is heading toward.