1girl aqua_eyes arched_back arm_support artist_name blonde_hair breasts crossed_legs detached_collar fate/grand_order fate_(series) feet full_body knees_together_feet_apart legs looking_at_viewer mordred_(fate) mordred_(fate/apocrypha) no_shoes ponytail red_scrunchie scrunchie sidelocks solo thighhighs toes underboob white_background zealyush