|Relatives|| Jun Furuya (Son)|
Hotaru Furuya (Daughter)
Reiko has dark-colored shoulder-length hair, light-colored or dark-colored eyes, round-shaped glasses and she is mostly seen with an angry look.
Not much is known about Reiko.
Jun is Reiko's son.
Hotaru is Reiko's daughter.
- The name Reiko means "the tinkling of jade" (玲) (rei) and "child" (子) (ko).
- Reiko's surname Furuya means "old" (古) (furu) and "shop" (屋) (ya).
- Reiko doesn't seem to know a lot about modern culture ever since she drew Doraemon when asked to draw her favorite Yo-Kai from "Yo-Kai Watch".
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