what if?

What if Lan Sizhui, Lan Jingyi, Jin Ling, and Nie Zizhen traveled back to the past, where their parents were still studying at the Cloud Recesses?

What would Jin Ling's reaction be when he sees his mother and father alive and younger?

And what would Wei Wuxian and Lan Wangji's reaction be when they find out that they have two sons in the future?

And what would Jiang Cheng and Lan Xichen's reaction be when they find out that they have a son and a daughter in the future?

This is my first story, and English isn't my first language, so please don't bash me if there are any grammar or spelling mistakes.