4girls, ahoge, ball, beachball, black_hair, blonde_hair, breasts, bullpup, cleavage, fate/grand_order, fate_(series), fujimaru_ritsuka_(female), gloves, gun, hat, hildr_(fate), holding, holding_gun, holding_weapon, looking_at_viewer, multiple_girls, one_eye_closed, ortlinde_(fate), p90, partially_submerged, pink_hair, red_eyes, red_hair, submachine_gun, swimsuit, taru_neko, thigh_strap, thrud_(fate), valkyrie_(fate), water, weapon