How do I get the ungettable?

I like this guy who is way out of my social circle and probably a little out of my league. He's in only one of my classes and not really one where you can have a flirty conversation with someone.

Not only that, but he's surrounded by girls who are probably more attractive and more sexually willing--and they probably know more about him too.

What can I do to make him like me? I have a great body, a fairly pretty face, and great wardrobe.

I'm guessing I have to offer him something that no one else is.

How should I do this?
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Let me add: I don't only like him because he is "unobtainable". I know some women go after the hardest thing to get because its a challenge--That's not at all how it is here. I do genuinely like him.
How do I get the ungettable?
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