This isn't as easy as you thought {Klance omegaverse}

Keith isnt just an omega he is one hot headed galra. He has too keep his galra form a secret from people around him who are humans. To think that Keith was just an angsty teenager. Keith and his older brother shiro were abandoned by their own mother Keith was just 4 while shiro was just 14. Their father killed himself leaving shiro and Keith own their own. Shiro has looked after Keith ever since and is extremely protective of his baby brother.
Lance was an goofball but he is serious especially when it comes to his basketball career. Lance has definitely proved to himself to be an alpha, but can he find a way to deal with Keith and his attitude? This only complicates matters, will basketball and cheer bring them together? Will Keith keep his pride and secret? With their interactions? He's bound to eventually right?

((DISCLAIMER!!!! The cover art is not mine! It's is amazing but it's still not mine! Credits to whoever made this wonderful piece of art! I also do not own Voltron legendary defender or its characters. All rights belong to dreamworks!))