Nessa no Kusari

"You sold everything over to me. The first thing I’ll do is make you regret it.” Kaidou was an ordinary company employee visiting an Arab country for business. The person he aimed to make a deal with was a desert sheik. With olive skin and blue-green eyes, he turned out to be a beautiful tyrant!! With the knowledge that Kaidou would do anything for his job, the sheik pins him down and forcibly rapes him...?! (Source: Nakama)

Also includes the one shot linkGarasu no Suna.