Period right after period? 🤔

I had my normal period this month. My last cycle day was on Sunday. Earlier this afternoon I noticed after going to the bathroom some light pink spotting. I’d noticed I did have minor slight cramping. During my regular period I did have a sharp cramp/pain on one side which I figured were menstrual cramps anyway and weren’t super painful. That’s the only thing out of the ordinary up until this weird spotting 5 days after my period. Any ideas why this may be happening?! It’s never happened before. I’m 27 years old and am pretty regular for the most part.