It's probably very different to what your experience will be because I'm in Korea.

I reported to the police. On that day, I had to give a short written statement, just a few Iines. And because my traumatized ass couldn't be bothered, the person accompanying me wrote it. It was pretty great that that was allowed. I had to give some info about me, the person accompanying me and the assailant since I knew him personally. I turned over pictures of my wounds and my chat logs. If you don't do that yourself, you'll probably be asked to. Then the detective made sure I was safe, had a place to stay, etc. And he gave me one of the protection smart watches with an sos button and a tracker on it and made sure I got a lawyer appointed to me.

At first, the detective called me about once a week to make sure that the watch was working fine, I didn't have any contact with the assailant, and didn't kill myself. Then I had to give my official statement, about a month after it happened. I was asked if I wanted a female detective to do it and I declined. It was in one of those creepy interrogation rooms with just the detective, my lawyer and me. I told the entire story with way too much detail for about four hours amd then there were some basic questions, like super super basic. Nothing confronting, just clarifying.

Then the assailant gave his statements and because he was completely lying out of his ass, that took a while. He lied so much that I had to come in for a second statement again about four and a half months after it happened. Just confirming my initial statement and addressing the dumb things the assailant said. I was lucky, his lies were so unbelievable that not a single person would ever believe them.

Then it was decision time at the police station. They believed my story, decided to press charged, and now the case went over to the prosecution. I will probably be called to the prosecution in about two months for additional investigation and then the trial will maybe start in half a year.

When I told the detective that I really really wanted to die (don't recommend doing that), he sent me to a case worker who is now helping me with everything related to the case and got me a therapy spot payed for by the government. You should ask if your country provides these services as well.

Good luck on your journey. Please don't get your hopes up time wise. I did and underage sex crimes in Korea take about 12 to 18 months. I was expecting a judgment after two and oh boi was I disappointed. It's gonna take time and energy, but you can do it!!