1girl :d air_bubble antenna_hair arm_up armpits ayuma_sayu barefoot bikini black_bikini black_bow black_scarf bow breasts bubble cleavage commentary_request fate/grand_order fate_(series) feet foot_focus front-tie_top hair_bow koha-ace large_breasts looking_at_viewer okita_souji_(fate) okita_souji_(koha-ace) open_mouth outstretched_arm pink_hair scarf short_hair side-tie_bikini_bottom smile soles solo submerged swimsuit toes underboob underwater yellow_eyes