Eiai is a beautiful, curvy, slender 15-year-old High-school student, with whitish-blue hair & sharp reddish-brown eyes.

She often wears her school uniform: A navy blue blazer, white long-sleeved smart shirt, green necktie, navy blue pleat skirt, black tights & black shoes.

Eiai is practical, highly intelligent & obsessed with efficiency, always getting perfect scores with no effort. She lacks social-skills & friends, viewing them & things she dislikes as "inefficient" and/or "insignificant".