2others ahoge androgynous aqua_eyes aqua_hair back-to-back cinnabar_(houseki_no_kuni) colored_eyelashes commentary_request eeennnka gem_uniform_(houseki_no_kuni) green_background green_eyes green_hair houseki_no_kuni looking_at_viewer multiple_others necktie open_mouth phosphophyllite red_eyes red_hair short_hair smile