My StepBrother Kissed Me?

It all started when My stepbrother asked me to go to my room and i was like ok. i went he turned off my life and told me to come here.I was stupid and i went. He kissed me and i said what ya doin.He said kissed me i said no. and he did it again and placed me on the bed i said stop and wentinto the bathroom.He left to the liven room and i went it to my room. he camed back in my room and tried it again and he told me to touch his . I did cause i awlays liked him but i thoght this was wrong.He dosent live with us but he is coming down alot. i dont know wat to do i like him and he said he liked me but this is akward. every morning he wouldtry to touchme and do all this other stuff. SOME ONE HELP.. Should i tellor just let him and me be