So let me explain so your either on the sun side or the moon side not much to explain if you don't understand look it up.

Scenario 1: You are the god/goddess/ruler of the ( sun/moon) as crush is the god/goddess/ruler of the (sun/moon) you...

Scenario 2: People live in two separate different society as one was based on the sun and the other one was based on the moon. You live in one and crush live in the other one. You ....

Scenario 3: Make up your own