What should i tell him after he did this?

i have a crush on this SUPER hotttt guy...! i was walkin casually in the halls with my friends when he came up to me. my friends slowly backed away. he said "do u wanna hang out tomorrow night at the beach?" i said yes of course. so we met at the beach and it was really romantic cause we were both sittin on a beach towel and starrin at the stars... <3 but then he turned to me and leaned in... id never kissed anyone before and so i leaned in too... we started kissing and pretty soon i was on top of him making out... <3. he took off his shirt and he took off mine (i had a bra on! dont worry) but then he took off his pants and i took off mine. it was really scary because he went down to my chest and started kissin my chest, then my neck, then my .... then my private square... im really scared to go to school tomorrow because im afraid he will be mad at me or something...