1boy, 1girl, artoria_pendragon_(fate), artoria_pendragon_(swimsuit_ruler)_(fate), artoria_pendragon_(swimsuit_ruler)_(second_ascension)_(fate), beach, besmiled, bird, black_hair, blonde_hair, blush, dove, fate/grand_order, fate_(series), fujimaru_ritsuka_(male), fujimaru_ritsuka_(male)_(brilliant_summer), happy, hat, holding_hands, sunset, swimsuit, water