touno kyouko

Character from the 2017 original anime Seiren.

Has grey eyes and long-ish black hair. She also wears a yellow cardigan.

From the early character reveals on ANN :

ANN said:
A "childhood friend who acts like a student at a girls' middle school." She has been the childhood friend of the protagonist since kindergarten, and they used to play together at a park at the top of the hill. She is an honor student in class 1-A who has excellent grades. On the other hand, she also loves shoujo manga and can also act a bit childish, and has a complex about the two sides of herself.

She is voiced by Kimura Juri.