Royal Family Ranking System

Royal Ranking System has divided into two division. It has the same merit just like the original setting in the real world.

Light Novel Set

 * 1) Upper Rank 1: King
 * 2) Lower Rank 2: Crown Prince
 * 3) Upper Rank 2: Duke
 * 4) Upper Rank 3: Minister - Types
 * 5) Lower Rank 3: Marquis
 * 6) Rank 4: Count
 * 7) Rank 5: Viscount
 * 8) Rank 6: Barony
 * 9) Rank 7: Knights/ Baron (Heritage)
 * 10) Rank 8: Knight (Lifetime)
 * 11) Rank 9: Commoners

In Webnovel
There's Rank 0 which divides it into two. Upper Rank 0: Emperor and Lower Rank 0 Demon Lord.