The rapid growth of humanity caused the alien races in the nearby worlds to be on high alert. Eventually, the races decided to launch a pre-emptive strike and kill the threat in the cradle. 

However, these races didn't expect that the humans would have grown so strong as to be able to repel their combined assault. Even the Mengtai had lost quite a few fighters, but the Mengtai champion wasn't upset at all—instead, he was relieved.

It took the combined forces of all the aliens in neighboring worlds to suppress the humans and draconians.

If the humans had had a little more time, they might even have won the conflict and destroyed all the nearby races instead.

Although the king of...