Can I still get my period if I have unprotected sex like 5 days before my period comes

Do you not understand what your period is? As part of your monthly cycle the wall of the uterus builds up to provide nourishment for a fertilized egg. If no egg is fertilized, the lining is flushed from your system. Then the process starts all over.

An egg gets fertilized when a sperm comes in contact with the egg. Any time you have penile insertion, you have the possibility that a sperm will reach an egg. That possibility can be reduced through some method of birth control, but not completely eliminated.

While 5 days before you are scheduled is late in the cycle. Stranger things have happened. So we can't tell you whether you will get your period or not. You just have to wait it out. And if you don't get it, then you need to wait a couple more weeks to take a pregnancy test.

If you are not prepared to be a mother, then you shouldn't be engaging in sexual intercourse.