Rule 34 Dev - 1boy 1girl blush chaldea_uniform comic covering_own_mouth fate/grand_order fate_(series) fingernails fujimaru_ritsuka_(male) greyscale hair_between_eyes leonardo_da_vinci_(fate) long_hair long_sleeves monochrome nishiyama_(whatsoy) parted_lips signature speech_bubble sweat translation_request twitter_username wavy_hair|9554213916