This is the final instalment in the Devilman franchise!
Devilman Main Story Reading Order (not counting the spin offs): #1 Devilman #2 Violence Jack #3 Devilman Lady #4 Neo Devilman (Only Vol.1 Chapter 5 and Vol.2 Chapter 3 are canon, the rest of it isn't canon) #5 Devilman Saga
Devilman Main Story Reading Order (not counting the spin offs):
#1 Devilman
#2 Violence Jack
#3 Devilman Lady
#4 Neo Devilman (Only Vol.1 Chapter 5 and Vol.2 Chapter 3 are canon, the rest of it isn't canon)
#5 Devilman Saga