As a White man how do I approach a Black women in hopes for a relationship?

Just gonna give some history so y'all can understand my deal.

I was adopted by a black lesbian couple, I was raised by them for 18 years, I have 2 siblings both are older sisters that are from my moms other relationships.

I grew up in a predominately white neighborhood in a very culturally black family. I feel detached from people of my own color so much that I don't actually find white women attractive, I have only ever found black people attractive because of my family.

I am not very social though because I am autistic and I suffer from a lot of social anxiety, My moms didn't really know how to help me with socializing too much and I am scared people might think I am fetishizing black women since I am white.

I have found that I do not really know how to approach these women, I also don't seem to be ery approachable? Any advice?
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I can tell some people have not read the full info, I do not approach white women, I do not find them attractive
As a White man how do I approach a Black women in hopes for a relationship?
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