I think like others said, give yourseld time as you need. It does sound like it was not something she was interested in doing. Shes apologetic and its not like she forced herself on him. What he did was very wrong and it sounds like there was some coercion by the MoH.

Take time, digest this. Realise yhing from her point of view as well, drunk off her ass, pushed on a bed and violated.

Think about what you think she feels. Do you think she honestly wanted this to happpen? If there are things that make you think this is the case, it may be best to call off. But if you don't believe she wanted it, then it sounds like just an unfortunate and hurtful occurrence for both of you.