In this AU you are Alphys and you are keeping your true lab secret away from Undyne. Though,Undyne finds it and the next time you go into the lab, the time altering DNA machine is gone. You run to Undynes house and shes a homosapian. you have to keep her secret from Zachary, the Orange soul; BUT Undyne makes that hard...
-Flowey is killed by Zachary
-if you havent noticed, this is in the orange soul timeline