Futatsugi is a teenage girl of average height. She has shoulder-length brown hair, which is somewhat messy, and is curved-spiked in the back. She also has purple eyes. She is usually seen wearing her school's uniform, a dark blue blazer, and a dark blue necktie with white stripes over a white polo and a gray-blue skirt.
Futatsugi is a happy and excitable girl, who quickly befriends Yūma.
They seem to be good friends.
They seem to get along.
She has a great deal of respect for him.
- "Futatsugi" (二ツ木?) literally means "two trees".
- Her Japanese voice actress, Yurie Kobori, also voices Mira and Hikari Nire.