"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 Garasu no Suna.

Maya travels to India to become a Japanese tutor but soon finds himself in trouble. Luckily the one coming to his rescue is the Maharaja who bares a striking resemblance to...

Summary from Fantasyshrine:

Kokoro is a young bureaucrat from a family of pedigree. To better prepare himself of becoming a politician, he decides to travel abroad with his father’s secretary, Maki. Will Kokoro reach his destination with Maki…!? A 45 bonus pages included!

An effeminate actor wannabe who has yet to land a single role runs into an Arabian prince at his last audition place. A hot and steamy romance ensues.
(Source: M-U)

1-2) Oda Haine went to the palace to return a key with the royal symbol and accidentally entered the harem. It's a death penalty, but the sheikh, Ashraf, took a liking to him and decided to make him a slave...

3) Ashraf's servant, Q (former name: Al Sha) is reunited with former lover - Ashraf's older brother, Faisal. Will he again win one-hand-man's heart?

4) Cute short stories of Haine, Ashraf, Q, and Faisal including Haine's vacation and a look at everyone's diaries.

5-6) A short story called The Singer. A beautiful singer in the emperor's court is about to be castrated in order to preserve his youthful voice and looks.