Red spot on Penile Shaft! I’m freaking out! HELP

I was going pee today and noticed a red bump on the shaft of my Penis, so I immediately shaved the hair so i can get a better look, Well once I shaved i noticed more red bumps. I'm freaking out because I recently just had unprotected sex with a girl i really like and now I'm worried its something serious! please someone help I'm search on the internet and its not helping. Overthinking gonna kill me

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