In The Stars [Yoonmin]

Park Jimin is a Half-Galrean Prince who secretly works against his father, who was the cause of his mother's death, by working with a organization that his mother was in. He want's nothing to do with his family but wants to make sure none of them take the throne. One day he comes across team voltron on a mission given by his father to kill them, but instead he joins them on their ship.

But what happens when he finds more than a familiar face?