Past MDZS went to the future

Timeline: a few days WWX,JC an NH went to Gusu to study

Characters:
Wei Wuxian=Wei Ying
Lan Zhan=Lan Wangji
Lan Xichen=Lan Huan
Jiang Cheng=Wanying
Nei Huaisang=Huaisang
Lan Sizhui
Lan Jing Yi
Jin Ling
Nei Zizhen
Jiang Yanli=Yanli
Jin Zixuan=Zixuan
Lan Qiren

ships:
Wei Wuxian x Lan Wangji
Lan Xichen x Jiang Cheng
Jin Zixuan x Jiang Yanli
Nei Zizhen/Ouyang Zizhen x Lan Jing Yi(?)
Jin Ling x Lan Sizhui(?)

AU will be explained in the first chapter :)