You don’t. You leave her alone. You wanted to have your cake and eat it too. This blew up in your face spectacularly. Now deal with it. You aren’t owed a second chance just because you see the error in your ways. If you really liked girl 1 so much, you wouldn’t have allowed yourself to be easily distracted by girl two.

Also, seems like you only value women based on their attractiveness. Are you twelve? You don’t sound mature enough to be dating.