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Koyomi Shirakawa
Da Capo, Da Capo: If Character
Gender Female
Family Kotori Shirakawa (sister),

Unnamed child

Occupation Teacher
Anime Debut Can't I Fall In Love?
Seiyu Naoko Matsui

Koyomi Shirakawa (白河 暦 Shirakawa Koyomi?) is Jun'ichi's homeroom teacher, one of the faculty's science teachers, and Kotori's older sister. She is also a researcher at the Amakase Laboratory, and in charge of the Miharu android.