Characters.

They were always in the same class since kindergarten. Nothing had changed since. Kara Danvers was always the goody-two-shoes, well Lena Luthor wasn't liked very much because of her family. Kara is done with being good, she wants to rebel and become badass. While Lena on the other hand, is tired of being misjudged because of her family, she wants peace from everyone and everything.