1girl, o, ahoge, alternate_costume, artoria_pendragon_(fate), ass, blonde_hair, blue_eyes, blue_one-piece_swimsuit, blue_sky, bottle, breasts, cloud, competition_swimsuit, fate/grand_order, fate_(series), festival, hirasawa_seiji, large_breasts, looking_at_viewer, looking_back, one-piece_swimsuit, pool_ladder, saber, shiny_skin, sitting, sky, swimsuit, water_bottle