Women were extinct due to the war. In order for humans to continue to thrive, the remaining interstellar warriors had to compete in a competition. The bottom ten percent of the losers would be genetically degraded and become human production tools------hermaphrodites.
Loyal, capable in both civil and military affairs, through life and death, and with great military exploits. So what? In the end, he was betrayed by the king and turned into a mermaid.
Escape! Escape! A heaven-and-earth pursuit, a love that moves heaven and earth!