Kyo Kara Maoh!

"In disguise on a luxury ship. Yuri, Conrad and Wolfram continue their voyage to Van de Veer island in search of the royal sword Morgif. But when pirates board the ship and raise Yuri's ire, can he keep from blowing his cover along with his top? And the sword of a demon king is going to have some nasty surprises of its own for our young hero!" -- p. [4] of cover.