3girls, arm_support, ball, beach_umbrella, beachball, bikini, black_bikini, blonde_hair, blue_sky, blush_stickers, breasts, caenis_(fate), caenis_(swimsuit_rider)_(fate), cleavage, cloud, collarbone, fate/grand_order, fate_(series), food_print, gareth_(fate), gareth_(swimsuit_saber)_(fate), green_eyes, large_breasts, looking_at_viewer, medium_breasts, mordred_(fate), mordred_(swimsuit_rider)_(fate), multiple_girls, navel, open_mouth, outdoors, ponytail, red_bikini, short_hair, siblings, sisters, sky, smile, strawberry_print, swimsuit, tesin_(7aehyun), umbrella, wet, white_background