Sounds like you’re good? Maybe “C” is considered as the whole class of Cs: C+, C and C-

The real answer is “ask your advisor.” We can’t know all your uni’s silly rules, but they should.

Fake or go to the police. Gather evidence of your father’s actions first, then report him. Full stop, end of post. The friend is literally irrelevant.

Huh, this is the only one I’ve never heard of so far. Guess I’ll give it a go next time 🤷‍♂️

Obviously shitty, but you seem to understand that and are working to stop. Nobody was permanently or seriously harmed, and you’re working on making reparations to the person that you harmed the most, even if they don’t know it.

Sounds like you were a shitty kid that didn’t know better, and that you’ve gained some forethought. Sucks that it mostly came from fear of consequences for yourself instead of empathy to others, but it also seems like you’re on the right path.

It’s okay to grow and to learn how to be a better person. Keep going. Seconding the other commenter that suggested therapy - even if not directly about this.