Rape? Need advice

Im making this anonymous for personal reasons.

So when i was 13 (currently 18) i was friends with this guy a couple of years older than me (17). He came to my house one day when i was home alone and we watched movies and he kept trying to touch me continuously and id try to regect him nicely. He eventually gave up with me a planted himself on top of me while taking my pants off. I was a virgin at this point of time so i repediately kept saying 'no' and i was completely shocked because i thought i trusted him. He didnt end up stopping and i remember laying there with my arms pinned down just shocked and speachless. He eventually left but it seemed like he didnt understand what he did? I felt disgusting about myself.

My parents ended up finding out a couple of months later and took me to the police and i told them everything. They said i should take him to court?

For 6 years now i think that its my fault for some reason? I feel guilty even though my family says i shouldnt..I think its my fault because i let him in my home when i was unsupervised..

I would just like everyone thoughts with this because yes i was/still am traumatized over this but i just cant get this feeling of guilt away that maybe it was my fault. :/