Darker skin right under the butt cheeks? Turn off?

like my skin is light brown but right under my butt cheeks like on the crevice and after it meeting my thighs it's darker than the rest of my skin and I feel bad for it. is it a turn off for guys? if anyone also knows how to get rid of it then how?
Updates
+1 y
btw people I don't mean my ass crack or anus...but I'm glad to not see any negative responses thanks :)
Darker skin right under the butt cheeks? Turn off?
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