zanshi, fujimaru_ritsuka_(female), fujimaru_ritsuka_(female)_(brilliant_summer), sakata_kintoki_(fate), year_2024, 1boy, 1girl, abs, ahoge, ball, bikini, blonde_hair, blue_eyes, blush, breasts, grin, hair_ornament, hair_scrunchie, headband, holding, holding_ball, holding_removed_eyewear, in_water, male_swimwear, medium_breasts, muscular, muscular_male, navel, o-ring, o-ring_bikini, o-ring_top, official_alternate_costume, open_mouth, orange_bikini, orange_hair, orange_scrunchie, outdoors, pectorals, ponytail, scrunchie, short_hair, smile, striped_bikini, striped_clothes, swim_trunks, swimsuit, topless_male, unworn_eyewear, wristband, highres, fate/grand_order, fate_(series)