fanchin, chisa (wuthering waves), wuthering waves, absurdres, bad id, bad pixiv id, commentary, highres, revision, 1girl, arm cutout, black choker, black hair, black jacket, black serafuku, black shirt, black skirt, blush, choker, closed mouth, clothing cutout, collarbone, dated, hair ribbon, hand on own hip, jacket, long hair, long sleeves, looking at viewer, midriff, navel, red eyes, red ribbon, ribbon, sailor collar, school uniform, serafuku, shirt, simple background, skirt, solo, tacet mark (wuthering waves), thigh strap, thighs, white background, white sailor collar