Where I can download "My secret Romance"

Is this the drama you're asking about?  

Secrets of Women

If so, from reading the comments, it looks like you can get it from either DramaNice or DramaCool.

My Secret Woman is not showing up with a search here at MDL.  Do you know of an alternate English title for it, or the Native title?

I'm not sure what you mean about signing in.  If you're referring to MDL, it's just a database for Asian movies/dramas (similar to IMDB).  You can't stream/download any of them here at this site.  

The only thing I can recommend is finding the page for it it here at MDL (using an alternate title), and then scrolling down through the comments to see what sites others are using to stream/download.

EDIT: Are you looking for "My Secret Woman" or "My Secret Romance"?  If it's the latter, here's the page:  My Secret Romance

i think its available on kissasian . sh