Ayumu 

Name

AYUMU
It's means "walk."

Sex

Male

Date of birth

24th April 2000
When he was born, he was almost a still-born, but Ai saved him by cleaning his airway.

Place of birth

Here at the Institute

Kinship

Mother is AI, father is AKIRA

Character

He is serious, studies harder.
Ai is the dominant female, so he is protected by her.
He often causes mischief.

Appearance

Walking bow-legged