1boy 1girl absurdres blonde_hair blue_eyes blue_jacket bow bowtie brother_and_sister closed_mouth collared_jacket commentary_request expressionless hair_between_eyes highres hoshino_aquamarine hoshino_ruby jacket kashikaze long_hair looking_at_viewer looking_back mismatched_pupils necktie oshi_no_ko pink_bow pink_bowtie portrait red_eyes red_necktie school_uniform short_hair siblings sidelocks simple_background smile star-shaped_pupils star_(symbol) symbol-shaped_pupils tongue tongue_out twins v_over_mouth white_background youtou_high_school_uniform