: 13 years old: Year 1 Middle School - 7th Grade: 156 cm (5'1"): 51 kg: Nega Nebulus: Umesato Junior High School: Lime Bell: 4: Haruyuki Arita, Mayuzumi Takumu: Kuroyukihime

Haru's and Taku's childhood friend. Although she is dating Takumu, she also cares a lot for Haru. Her non-accelerated avatar is a catgirl. Chiyuri has been friends with Takumu and Haruyuki since they were children. The three of them are very close to each other and is still. During the time that they entered middle school, Chiyu decided to start a relationship with Taku. Even with their relationship, the three continued to stay close.