Possible implantation symptoms?

Sydney

I supposedly ovulated on the 30th, I didn’t track with OPKs but CM seemed to match up on 29th and 30th with EWCM. Today we BD’d just for fun and noticed some brown discharge when I used the bathroom after. I’m 5 days out from my period and 8 DPO. Wanting to hope it could be implantation even though I know spotting is rare! 😅