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merukit Calling the male version of a Mary Sue a Gary Stu or whatever is a distinction without a purpose that I don't bother with. It is quite applicable to males however, if you'd like to check out the TV Tropes page. There are plenty of relevant examples.
OPM is satire, and it's much, much better satire than this is, so it avoids the trope. And I would argue that Zero is pretty effortlessly strong in literally every portrayal. His epic backstory where he trained like Goku with endless battles is just that, backstory. Almost none of it has been shown, and I don't think it qualifies.
Anyway, I'm not saying that this isn't readable or entertaining, I'm just questioning my own reasons for reading it. Hope you have a nice day.