"I Was a Man With No Height, No Chest, and No Figure, but Became a Girl With No Height, No Chest, and No Figure"
"Three Years Later, I Was Shorter and Stronger."
"Why Did All of Humanity Transmigrate? Why Not Just Me!"
"The Last Human Sage in Another World Is Definitely Not Sylvie!"
None of the above are book titles!
For a more serious introduction: In the twenty-second century, human technology made another enormous leap forward.
With this technological boom, people began paying more attention to health and wellness, and martial arts rose in popularity.
Just a moment ago, Zhishi had been training under the watchful eye of his instructor. Now, he had suddenly been transported to a different place.
The cold wind beat against him, and fresh air filled his nostrils. Everything told Zhishi that he was no longer in his original world.
When he opened his eyes, Zhishi realized that he might not be the only one who had transmigrated.
P.S. The protagonist's "no height, no chest, no figure" refers to having no height, no breasts, and no curves. (covers face)