1girl, armpits, arms_up, bikini, blonde_hair, bracelet, breasts, closed_mouth, day, fate/grand_order, fate_(series), floral_print, green_eyes, jewelry, long_hair, mordred_(fate), mordred_(swimsuit_rider)_(fate), navel, outdoors, partially_submerged, ponytail, simple_background, sitting, small_breasts, smile, solo, stomach, sunglasses, surfboard, swimsuit, tonee, water