Aoba Harukawa

Aoba Harukawa is Chika's friend who was captured by neighbors.

Appearance
Aoba has shoulder-length hair parted in the middle and tied in two pigtails on the side of her head, which are usually over her shoulders. She has teal eyes and freckles on her cheeks and nasal bridge.

Personality
Harukawa is a friendly girl, who believed Chika and promised she'd protect her.

Introduction Arc
During a flashback, she is seen as the only person who was friendly with Chika during the latter's childhood. Her disappearance had a huge impact on Chika, and made her isolate herself.

B-Rank Wars Arc
While discussing her history, Chika reveals that Harukawa was the only person who believed her story of being chased by a Trion Soldier.