In practice the "gender" thing isn't very egregious. Its a gag story about Chinese curses around transformation. The gender one is just a service to allow the MC to compete in every single form of martial art around, including ones that only girls do like Rhythmic Gymnastics.

In fact, it spends a lot of time pointing out the gender differences (like lack of muscle) and with him abusing the fuck out of female privilege to get away with shit like the piece of shit he is. In a way, its very anti-tranny.

But like any good "modern fanbase" all the little details get scrubbed away to turn him into an uncertain guy who wants to actually stay a girl because uwu flowers.