1girl, arm_support, arm_up, black_gloves, black_hair, black_shirt, black_skirt, black_thighhighs, breasts, closed_mouth, cloud, cloudy_sky, collarbone, girls'_frontline, gloves, grey_eyes, light_blush, long_hair, looking_away, medium_breasts, navel, ouroboros_(girls'_frontline), sangvis_ferri, school_uniform, serafuku, shirt, sitting, skirt, sky, solo, thighhighs, thomas_8000, twintails