Welcome and looks like you're getting some good support here.
OK so I used to be involved with medical students training in my career - in a support and supervisory position (but I'm not a doctor). I worked at a university and teaching hospital.
The university should have a counselling service and there should be a support /advisory person just for the medical faculty that you can go to for help and advice.
We had problems with students performing poorly who were pushed too hard by their parents! So you are definitely not alone in this.
You need to be sure medicine is what you truly want to study, and you also need to have the right attributes to perform the role well.
The university has to make sure you are up to the standard required to be safe to continue. They've decided on this occasion that you are not.
I know it's tough but it's for the good of everyone. We used to be concerned about students who really were better suited to a different field of study. However others had personal problems that just needed attending to so they could continue successfully. We used to get support for family and financial issues that were impacting students.
I really hope you go to an adviser and seek assistance about your performance and future studies. They want to help you.
You should discuss the parental pressure you are under as it's clearly distressing for you.
They can also get you assistance with your anxiety and isolation.
I did know a very good doctor who got through his entire anatomy course without ever actually attending, but I don't recommend this! It was because he was so shy and anxious!
I truly hope you get the support and advice you need and maybe your family will be prepared to take some advice to back off a bit!
You can't change the fail grade, but you can get help to ensure you succeed in the future. This is not the end of your career. You do need to take steps to ensure that you pass next year and you can if you get help now.
Please talk to people in the faculty. If you have studied at a hospital at all yet, they should have staff to assist you.
Good luck, I've seen students succeed with a bit of support and hard work! Don't give up at this stage if medicine is what you really want to do!