For me leaving out all/part of the sfx is totally fine!! I edit + layout a lot so I know how much work cleaning that up + adding translated sfx is. Of course the final decision is up to you, but I think most readers won't mind :D
Also, as handsome Nocton is (and although he didn't have the best childhood yada yada) if this happened irl the best thing Duroa could do is yeet the fuck outta there tbh. I like Nocton but he's fucked up and even if they'll end up together there's no guarantee that their married life will not...