Any genre will do yup.

Here's a few:
Wagamama na Butler
Hayate no Gotoku!
Sono Kami ni Kiss wo~ yaoi
Kimi de Oboreta Ato wa, story 5:Maid-kun no Gohoushi na Hibi~ yaoi

Captive Hearts
Chou yo Hana yo
Himegimi no Tsukurikata
Sheet no Sukima - Kizuato (smut)
Wagamama na Butler (smut)
Hayate the Combat Butler

If bodyguard is OK instead of butler, try this thread: http://www.mangaupdates.com/showtopic.php?tid=12168&h l=bodyguard

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If you've ever thought or said "Nice Guys finish last" and really meant it, then you should probably read this LJ post by DivaLion. It's incredibly insightful whether you're male or female.

From a bumper sticker I like:
"If you're gonna ride my ass, at least pull my hair."

Lovers in the Night by Yoshinaga Fumi (BL)

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Thank you guys so much!