1girl absurdres armpit_crease armpits arms_behind_head arms_up bare_shoulders body_markings breasts facial_mark fate/grand_order fate_(series) forehead forehead_mark greyscale highres himiko_(fate) huge_breasts jewelry kobo_(cobo_0609) long_hair looking_at_viewer magatama magatama_necklace monochrome necklace no_bra no_panties open_mouth sash side_slit sideboob smile solo sweat topknot twintails