This is one of MBS Truth's early productions. It is too old and there is not much information left on the web, including VNDB.
https://vndb.org/v7977

I don't remember the character's full name, and if my quarter-century-old memory serves me correctly, it was “Ai (亜衣)” (the same as Amatsu Ai in Twin Dolls).

Recommend strength is around 0.6-0.7 with 'retro artstyle, 1980s (style)' or 'retro artstyle, 1990s (style)'

hana_ai, 1girl, green eyes, brown hair, long hair, ponytail, bangs, forehead, hair bow, hair ribbon, yellow ribbon, school uniform, serafuku, sailor collar, red sailor collar, skirt, pleated skirt, purple skirt, bow tie, ribbon tie, purple ribbon