1girl, armpits, artist_name, bed_sheet, black_bra, black_panties, blonde_hair, blue_jacket, bra, breasts, brown_thighhighs, closed_mouth, hair_ribbon, hoshino_ruby, indoors, jacket, kimoshi, long_hair, lying, medium_breasts, navel, on_back, open_clothes, open_jacket, oshi_no_ko, panties, pink_eyes, red_ribbon, ribbon, school_uniform, shiny_skin, smile, solo, stomach, thighhighs, underwear, youtou_high_school_uniform