Rule 34 Dev - 1boy absurdres animal_ears armband bare_arms blue_eyes brown_armband brown_hair chiron_(fate) clenched_hand collarbone fate/grand_order fate_(series) grin haruakira highres horse_boy horse_ears long_hair male_focus mature_male muscular muscular_male simple_background smile solo tunic very_long_hair white_background white_tunic|20290519197