Ling Xiu and Ruoyun
The third prince who doesn't want to be an emperor but only wants to travel to the ends of the world with his sword, Gong and the second prince who is good at martial arts, also doesn't want to be an emperor and is good at medicine.
Not brothers (although this makes the old emperor jealous), but lovers
One dreams of walking to the end of the world with his sword, and the other accompanies him to walk to the end of the world (emphasis added)
Updated from time to time but with clear goals
Deputy CP Wen Jian and Xia Jin
Mission: Responsibility and dreams