Royal Family Ranking System

Royal Ranking System has subdivided into two ranks from lower and upper ranking. 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 Web Novel
There's Rank 0 which divides it into two.
 * 1) Upper Rank 0: Emperor
 * 2) Lower Rank 0: Demon Lord (魔王)

Promotion
As the original nobles of the Holfort Kingdom were all great adventures, a person can increase their noble rank through adventuring success or military accomplishments. Outside of those two methods, at least 3 generations of loyal work to the kingdom i necessary to raise a family's rank.