How did Mu's cp name come from?

The cp name of this word is as follows:

1, Mu: Expressed deep affection and love for each other. Feelings are as light as clouds and beautiful as ever.

2. Mu Xin Yi Yun: It expresses admiration and appreciation for each other's wishes, and the cloud symbolizes good wishes and blessings.

3. Mu Yun Dependence: It means interdependence and mutual support, and the cloud symbolizes mutual protection and mutual support.