Another girl in the group

Basically the voltron story line but Keith is gender-bent. Her name is Keada. Much Klance. Shiro is Keada's adopted father and Pidge has been her best friend since childhood. Keada's real dad is dead. Keada's mom is full Galra, named Acxa. She is a spy for the blade of Marmora. Acxa is acting as Lotor's top general. Keada's can change between her human form and her Galra form. Since she is best friends with Pidge/Katie she know a lot about tech. That's pretty much what you need to know. Takes place between season 2 and season 3.

Summary: Keada hides many secrets from her fellow paladins and slowly they get revealed. Keada is struggling to except that Shiro is really gone when he disappears at the battle with Zarkon. When he shows back up she immediately knows that this isn't the real Shiro, why else would the black lion reject him. Shiro had the strongest connection with the lion. She suspects he is a clone but doesn't tell the others. She calls the supposed clone Kurōn because it means clone is Japanese. In secret she still tries to find Shiro. But what happens when she discovers that her assumptions are correct.