Kallura kiss scene Idea
So Allura is leaving for an important mission in the Blue Lion, and it’s really dangerous, and Keith wants to go with her, but he has to stay behind for training with the Blade. So he meets her outside the Lion, and Keith tells her to be safe and come back. So when Allura is getting into the Lion, she turns around, comes back out and kisses Keith. (And if you want you can imagine the other Paladins are going with Allura and they witness this scene).
Basically like this-
And then Keith looks at her like this:


















