Etsuko Misumi

Etsuko Misumi (三隅 悦子 Misumi Etsuko) is the director of Cool Angels who has only been seen once in the animation.

Etymology

 * The name Etsuko means "joy, pleased" (悦) (etsu) and "child" (子) (ko).
 * Etsuko's surname Misumi means "three" (三) (mi) and "corner, nook" (隅) (sumi).