Sounds like a massive undertaking for nine weeks… If I was you, I would look at similar games and start reverse engineering them… That’s how I did it with my game anyway 
Break down the features you want in your game and watch tutorials on Youtube.
Here is my Action jRPG:
https://forums.unrealengine.com/unreal-engine/marketplace/1775358-action-jrpg-template
Video:
