1girl, ass, bed, bedroom, blurry, blurry_background, brown_eyes, brown_hair, closed_mouth, hibike!_euphonium, indoors, kitauji_high_school_uniform, lying, miniskirt, on_bed, on_stomach, oumae_kumiko, panties, pillow, pleated_skirt, sbel02, school_uniform, skirt, smile, socks, solo, thighs, underwear, white_socks, yellow_panties