Girls definitely like a guy who’s shy at first but opens up after a few conversations. They definitely don’t like a guy who’s shy in the first conversation and shy after that too. 
Shy guys make better friends. They’re good listeners and they’re very considerate. But you obviously don’t want to be her friend, so this isn’t a good sign. If you want to date a girl, you need to let her know that!
Shy guys make better sex buddies. Girls feel powerful around shy guys. Get drunk with a girl and let her have her way with you and she’ll definitely like it. And if you’re just looking for a fling thing, you’d definitely like it too!
Girls definitely like a guy who’s shy at first but opens up after a few conversations. They definitely don’t like a guy who’s shy in the first conversation and shy after that too. Now almost all the time, even the shyest of guys open up after a couple of conversations, so you don’t have to worry there.