Kara is a kryptonian who came to earth because her planet Krypton exploded. Her mother told her once on earth she would have extraordinary powers that she will use for the greater good to protect her cousin Kal-El. Lena Luthor comes from a power hungry/ alien hating family. Her family hates Kryptonians with a passion but she doesn't. Lena believe there's beauty in everybody even aliens which makes her the odd ball of her family. When these two cross paths they can't help but feel attracted to each other. They will go through the hardships together if it means they will be together. Kara is Gip! KaraxLena I don't own Supergirl.