One of the main characters of Love Live! Sunshine!!.
Birthday: September 21
Blood type: A
Height: 154 cm
Sizes: B 76, W 56, H 79
Seiyuu: Furihata Ai
Image color: Light Pink
Ruby is the shy younger sister of Kurosawa Dia, and a close friend with Kunikida Hanamaru. She has aqua eyes and red two side up. She frightens easily (and tends to emit a distinctive "pigii!" shriek), but loves school idols and always dreamed of becoming one.
Ruby is a member of the Aqours sub-unit CYaRon!, alongside Takami Chika and Watanabe You.