I’m scared and confused

Friends and I was drinking in the house.

Two of my girl friends and I went to the bathroom to take photos.

He came in and asked to use the bathroom, finishing up with the photos my friends proceeded to leave, I went to leave and he didn’t allow me to , slamming the door behind me.

I was confused but he began to kiss me and I kissed him back. I then went to leave, stood straight and he grabbed a fist full of my hair and forced my head down exposing himself to me.

My hair was in my face and mouth and I couldn’t stand.

My body began to get super hot with anxiety, I then gave in. I got to get up once and he then pushed me back down still with a grip on my head.

One of my friends pushed their way in to pee and he immediately let go. I got up and left to the living and just mindlessly scrolled on my phone confused .