1girl, aqua_eyes, bed_sheet, bird, black_hair, black_legwear, blue_skirt, breasts, censored, convenient_censoring, covered_nipples, green_eyes, legs_up, long_hair, looking_at_viewer, lying, medium_breasts, miniskirt, navel, no_bra, on_back, penguin, pleated_skirt, school_uniform, serafuku, skirt, socks, solo, spread_legs