Kousaka Miki (向坂 海希) is a heroine of "Aonatsu Line (アオナツライン)" released in 2019 by GIGA.
https://vndb.org/v24702

Kousaka Miki, 1girl, black eyes, purple eyes, black hair, long hair, high ponytail, bangs, long sidelocks, hair between eyes, eyes visible through hair, hair bow, hair ribbon, white ribbon, school uniform, white shirt, collared shirt, long sleeves, shirt tucked in, neck ribbon, blue ribbon, bowtie, pleated skirt, blue skirt, white legwear, loafers