1girl, bra, breasts, cleavage, crying, fushisha_o, greyscale, kagano_ai, mahou_shoujo_ai, medium_breasts, monochrome, navel, open_clothes, open_mouth, open_shirt, pleated_skirt, school_uniform, seiza, serafuku, short_hair, signature, sitting, sketch, skirt, solo, sweat, tears, underwear