1boy, animal_ears, armpits, artist_name, astolfo_(fate), astolfo_(saber)_(fate), cat_boy, cat_ears, cat_tail, fang, fate/grand_order, fate_(series), hair_between_eyes, long_hair, looking_at_viewer, one_eye_closed, open_mouth, otoko_no_ko, pink_eyes, pink_hair, simple_background, skin_fang, solo, srinitybeast, tail, tongue, watermark, white_background