Aiko

Aiko (愛子) was a former classmate and friend of Shuichi Kagaya, Elena Aoki, Honoka, Naoto and Kaito.

Personality
Aiko is a girl with a strong sense of justice and hates bullying acts. However, her personality makes people hate her, especially her schoolmates.

Relationships
Hanabi : Is Aiko little sister

Etymology

 * The name Aiko means "love, affection" (愛) (ai) and "child" (子) (ko).