She is a sister of the protagonist of "白い蛇の夜 (Shiroi Hebi no Yoru)".
This game is one of the followers of Leaf's old masterpiece “痕 (Kizuato)”.

https://vndb.org/v6183

This was not a well-known VN, but it was popular with a certain segment of VN gamers and I liked this game.

Recommend strength is 0.7-1.0.

You may also add “retro artstyle, 1990s \(style\) or 1980s \(style\)” if you like.

default outfit:

Amasaki_Imari, 1girl, small breasts, green eyes, green hair, short hair, short ponytail, bangs, hair between eyes, sidelocks, hair bow, hair ribbon, yellow ribbon, 
school uniform, serafuku, white shirt, long sleeves, sailor collar, blue sailor collar, necktie, green necktie, blue skirt, pleated skirt, miniskirt

private outfit:

Amasaki_Imari, 1girl, small breasts, green eyes, green hair, short hair, short ponytail, bangs, hair between eyes, sidelocks, hair bow, hair ribbon, yellow ribbon, green shirt, black skirt, pencil skirt, miniskirt, kneehighs, white legwear