2girls :d :o black_hair black_pants breasts brown_hair cellphone couch full_body hibike!_euphonium highres indoors kousaka_reina lamp long_hair lying medium_breasts multiple_girls on_back on_couch oumae_kumiko pants phone pillow pink_shirt ponytail purple_eyes purple_skirt raglan_sleeves sbel02 shirt short_ponytail short_sleeves sitting skirt smartphone smile socks teeth upper_teeth_only white_socks yellow_eyes yoga_pants yokozuwari