1girl, ahoge, black_socks, blush, bra, breasts, brown_hair, brown_skirt, fingernails, hair_ribbon, indoors, kneehighs, knees_up, legs, low_twintails, lying, no_shoes, on_back, on_bed, open_clothes, open_mouth, open_shirt, original, panties, pleated_skirt, purple_eyes, red_ribbon, ribbon, school_uniform, serafuku, shirt, short_sleeves, skirt, small_breasts, sock_pull, socks, solo, teeth, thighs, twintails, underwear, undressing, upper_teeth_only, wadachitokakeru, white_bra, white_panties