1girl bangs belt black_hair blunt_bangs brown_eyes cellphone collared_shirt facial_hair flat_chest gears green_eyes hands_in_pockets hiyajou_maho jacket labcoat long_hair looking_at_viewer messy_hair nyoro_(nyoronyoro000) official_style okabe_rintarou open_mouth pants phone shirt short_hair smartphone steins;gate steins;gate_0 stubble thick_eyebrows upper_body vest window