If we're all being honest, Naruto has the BEST chance to ever pull off an actual good Harem plot Anime because, while the cliches of girls always being around the corner in any of his journey may stay true, Naruto of all people will do the best in getting to knowing the girls thoroughly while they do the same for him as they closely get closer and closer to each other. All facts, if man's can pull fucking literal princesses and shits, there's no doubt in my mind he could pull almost and if not ALL of the baddies in the Naruto series. IMO.