Y/n was sent down to earth with kara since they are twins, and were sent to protect Clark aka kal-el but their pods got stuck in the phantom zone for 20 years til got unstuck and landed on earth, now that we are adults she works as an assistant at CatCo, while I'm a forensic scientist. She and Kara are like sisters with Alex since they all grew together but Alex doesn't want me or Kara using our powers and that we need to be more human