1girl, ahoge, black_serafuku, black_shirt, black_skirt, breasts, brown_hair, crop_top, crop_top_overhang, hand_up, large_breasts, long_hair, looking_at_viewer, lying, midriff, miniskirt, mouth_hold, navel, neckerchief, on_back, original, pleated_skirt, red_eyes, sailor_collar, school_uniform, serafuku, shirt, short_sleeves, skirt, so_shio, solo, stomach, thighs, very_long_hair