Naruto: Why Is Only Sasuke Changed?

(Naruto + no conspiracy theories + gender change + single female protagonist) After traveling through time and becoming Naruto, why is Sasuke a woman? "Hey, what are you looking at at the end of the crane?" Zuo Zi, who couldn't stand being stared at, asked with a red face. "You... Are you Uchiha Sasuke?" An embarrassed expression appeared on Naruto's face. Zuo Zi looked like he was looking at a fool "Did you take the wrong medicine today? My name is Uchiha Sasuke! Not some Uchiha Sasuke!" After saying that, Naruto gave a blank look and murmured: Why does the name Uchiha Sasuke sound so awful and it is so similar to my name. "Ah??"