Looking at Nico's movelist, she doesn't seem hard at all to learn imo, she has one of the smallest move lists I've seen from a DOA character in a long while
https://docs.google.com/spreadsheets/d/1wVQ25vJGp34mEolRdwdUPA98An9YfmjSIs6uRZrYVhQ/edit?usp=drivesdk
https://docs.google.com/spreadsheets/d/1wVQ25vJGp34mEolRdwdUPA98An9YfmjSIs6uRZrYVhQ/edit?usp=drivesdk