Well, it’s about picking up girls and finding a partner, right?
What about introverts, if you are not in a hurry. It's best to get in touch slowly and first understand whether she has a partner = =|| This is the key
When you have nothing to buy, just go to her place to check out and become familiar with her.
Then, greet her with a few more clichéd "accidental encounters" while she is commuting to and from get off work, and introduce her to her basic situation. .
Next, I think we can’t help you with how to pick up girls. Do you know? That’s basically it. . .