Based on a science fiction novel series, Crest of the Stars (Seikai no Monsho) is the first installment in this sci-fi saga. The story follows Jinto, whose world was taken over by the largest empire in the galaxy: the Abh. Jinto's father, the planet's prime minister, handed their world over to the Abh in exchange for a standing in the Abh Empire. As a result, Jinto became a prince and was shipped off for an Abh Education. (myanimelist.net)