They appeared like 4 days ago, I had sex with my gf and it kinda appeared after that.
They don't hurt or itch or anything, they're just there.
If you had vaginal penetrative they will be yeast / fungal infection, if you did anal of received oral they will be due to a bacterial infection - for yeast / fungal get to a pharmacy and get something like clotrimazole, there are various types, best asking for ones specifically for sex related issues - if bacterial, ask a pharmacist or see a medical professional …