Rule 34 Dev - 1girl black_hair black_thighhighs blue_sailor_collar breasts closed_mouth full_body hibike!_euphonium highres kousaka_reina long_hair looking_at_viewer medium_breasts neckerchief partially_undressed pillow pink_neckerchief purple_eyes sailor_collar sbel02 sitting smile solo thighhighs under_covers|22336399449