hi can anyone suggest dramas similar to office girls. Rich guy act as a poor and fall in love with heroine.

I Second Fall In Love With Me.I thought rich guy acting poor would be quite popular but that is the only one i've watched that fit's that category. 
There is also Hi, My Sweetheart
There's also:  Me Too, Flower!

I love this theme as well, but unfortunately there doesn't seem to be very many of them... :(
Thanks guys but i already saw ME TOO FLOWER, HI,MY SWEETHEART and Fallin love with me. apart if any pls suggest