When I was a kid, I absolutely wanted to buy Dragon Ball Z tomes, but my parents bought me Sailor Moon because it's softer (thanks dad, thanks mom lol). And that's how I took my first steps into Shōjo. To be honest, there are a few manga in this genre that I find interesting, like Maid Sama or Strobe Edge, but these days I'm mainly into Seinen or Shōnen.
On top of that, manga isn't very expensive in France, and I was able to buy the first three volumes of Nana for very little