trixie (trixiex33), chisa (wuthering waves), wuthering waves, absurdres, commentary, highres, 1girl, arm cutout, black choker, black hair, black serafuku, black skirt, choker, closed mouth, clothing cutout, crop top, foot out of frame, hair ribbon, hand on own knee, invisible chair, long hair, long sleeves, looking at viewer, neckerchief, red eyes, red neckerchief, red ribbon, ribbon, sailor collar, school uniform, serafuku, simple background, sitting, skirt, solo, tacet mark (wuthering waves), thigh strap, white background, white sailor collar