Helpppp asap

so me and my bf had some action yesterday he didn’t put his penis in me but he was putting his thing on my thing and would touch it but he didn’t put it in me at all it was unprotected and he would check if he had pre cum but he didn’t have any he said he would check but his thing went near my thing but he didn’t put it in me I took a plan b just incase he had any precum or anything can I get pregnant this way even if he didn’t have cum at all his thing would just go on top of my Vagina but didn’t put it in their any chances of me getting prego we’ll the plan b work ???