Ajimi also refers to her by the nickname Kurukuru-chan, which means little curly as Hibiki's hair was long and curly when she was younger, but she cut it in order to hide from Ajimi.
Ajimi also refers to her by the nickname Kurukuru-chan. Chan means little curly. Hibiki's hair was long and curly. She was younger. She cut it. This was to hide from Ajimi.