1boy 1girl ahoge arm_support ball basket beach beachball bikini black_hair breasts commentary_request eyewear_on_head fate_(series) flower fujimaru_ritsuka_(female) grin halterneck holding innertube long_hair lying mi_(pic52pic) on_side orange_bikini orange_hair over-rim_eyewear parted_lips picnic_basket ponytail red_flower sand semi-rimless_eyewear shorts side-tie_bikini small_breasts smile swimsuit towel very_long_hair yan_qing_(fate/grand_order)