I read a lot of these manga but there is one I tried to find when a business man falls in love with their body guard yaoi manga
http://www.mangago.me/read-manga/keep_out_kisaragi_hirotaka/ ?
There are many others but... well let's start with this ^^

read a manga call sexual harssement it is a good manga .too bad it stop .i would like to read some more
and asami is very sexy when holding a gun. I can ot wait until next chapture to see what happens next its getting real good
Wich one TДT
i do not really know but i am checking it out