What is this sore?

i havent had unprotected sex in over six months. got tested in march everything came back normal. the last time i had sex was in april. it was protected. i get a lot of ingrown hairs but never this before this was a bump or what felt like a knot under the skin. i just used nair and got out the shower to the what use to be bump looking like this. it doesnt hurt but i dont know if its herpes or some sort of ulcer ... please help

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Did you ever get tested?! I’m dealing with something similar