2girls, barefoot, bed, black_hair, bra, breasts, brown_hair, closed_mouth, couple, eye_contact, hibike!_euphonium, kousaka_reina, long_hair, looking_at_another, medium_breasts, multiple_girls, navel, on_bed, oumae_kumiko, pants, parted_lips, pillow, purple_eyes, sbel02, short_hair, sitting, small_breasts, smile, stomach, thighs, underwear, underwear_only, white_bra, white_pants, yellow_eyes, yuri