Ah, so the sun is a prestigious duty - a mantle to be worn. One of a fixed term if you stepped down from it and watched your brother rise to claim it.

[ It does not fit into how he understands the world to work, so it takes Zhongli a few moments to process this information. To imagine a world where people stepped down from such positions of prestige instead of their lives and their duties intertwining so tightly that where one began and the other ended was impossible to determine.

Though if she fought her brother - perhaps being involved with the sun (whoever they may be) was also an integral part of her life. ]

Is the moon chosen in a similar fashion? And with such prestige?