Suo Sango 周央サンゴ / Nijisanji

weight 0.7 is best.

Please read the description.

outfit1
aasango, long hair, black hairband, blue eyes, school uniform, plaid bow, white jacket, armband, open clothes, brown cardigan, black shirt, long sleeves, black skirt, black thighhighs

I uploaded a sample image of the outfit as a post.