My Old Attacker Is the Imperial Crown Prince - Do You Think I'm Going to Say This?

This is a male world with only men, brothers, and twins. This is a feudal dynasty in the interstellar era. There are strange natural enemies here. This year, the natural enemies have behaved strangely. What will they bring? PS: It's a no-brainer, just read it at a glance, don't go into it too deeply. I was also writing the outline, and a strange plot line emerged. It was originally intended to be a mindless emotional line o(｀ω?+)O Concept: sweet love