1girl, black_hair, black_skirt, blunt_bangs, blush, brown_eyes, clothes_lift, lifted_by_self, long_sleeves, looking_at_viewer, matsunaga_kouyou, medium_hair, navel, neck_ribbon, open_mouth, original, panties, red_ribbon, ribbon, school_uniform, shirt, shirt_lift, sitting, skirt, skirt_lift, solo, thighs, underwear, white_panties, white_shirt