Rule 34 Dev - 1girl ahoge closed_mouth commentary expressionless fate/grand_order fate_(series) fujimaru_ritsuka_(female) greyscale katayoshi_(ykrsk9) looking_at_viewer monochrome neckerchief red_neckerchief red_theme sailor_collar school_uniform shaded_face short_hair simple_background solo spot_color twitter_username upside-down|21435508692