Seido Hishigata

Seido Hishigata (菱形 青銅, Hishigata Seidō) is the father of Sou and Tokiko. He is the director of the only hospital on Hitogashima, the Hishikata Clinic.

Appearance
Seido is an adult man with short gray hair. He also wears glasses.

Etymology

 * The name Seido means "bronze" (青銅).
 * Seido's surname Hishigata means "Rhombus, diamond shape" (菱形).