1girl, 3boys, astolfo_(fate), beach, bikini, bikini_skirt, black_hair, blonde_hair, blue_eyes, bradamante_(fate), charlemagne_(fate), citron_82, cousins, day, eyewear_on_head, fang, fate/grand_order, fate_(series), flower, food, fruit, hair_flower, hair_ornament, heart, heart-shaped_eyewear, hippogriff, innertube, male_swimwear, multicolored_hair, multiple_boys, navel, ocean, one_eye_closed, otoko_no_ko, outdoors, petals, pink_eyes, pink_hair, roland_(fate), stick, sunglasses, swim_trunks, swimsuit, twintails, two-tone_hair, watermelon, white_hair