1boy, au_(d_elete), black_background, chromatic_aberration, collarbone, eyelashes, eyes_visible_through_hair, fate/grand_order, fate_(series), greyscale, hair_over_one_eye, half-closed_eyes, insect_wings, long_eyelashes, looking_at_viewer, male_focus, monochrome, nude, oberon_(fate), oberon_(third_ascension)_(fate), parted_lips, signature, simple_background, smile, solo, teeth, twitter_username, upper_body, wings