Even for such an specific interview, I would ensure that you can defend yourself on the following:
1. Profitability cases- basic profitability framework.
2. Idea generation cases: for any specif issue
3. Growth cases: market penetration, new product launch, product mix change, etc.
4. Pricing cases
5. M&A cases
6. Valuation cases
7. Value chain cases
On top of that, make sure you deep dive in M&A cases. Feel free to reach out for some M&A examples and frameworks, it´s one of my favs since I did a lot in McKinsey.
Hope it helps!