2girls black_hair book brown_eyes brown_hair futonchan hibike!_euphonium highres kitauji_high_school_uniform kousaka_reina lap_pillow long_hair lying multiple_girls neckerchief on_back oumae_kumiko pink_neckerchief purple_eyes school_uniform serafuku short_hair sitting skirt smile stuffed_animal stuffed_toy teddy_bear yuri