Since we don't start with switch weapons or oversized that means it axes the plan on having a katana-scythe and the backup of wielding an over sized jian type sword. 

I can't decide between punching the shit out of them or just like a spear.  Thinking of no magics outside of the obligatory familiar spell everyone is going to get. But rather focusing on anime type style of impossible fighting seeing as you mentioned RWBY which would be fitting. 

As for bio I really don't have anything in particular because I can't be assed to right now. I kinda just want to go for the minimum needed and drop into the action