The Beginning

In This World That i have created there is 6 Ranks No.1 SSS-RANKS No.2 S-Ranks No.3 A-Ranks No.4 B-Ranks No.5 C-Ranks No.6 F-Ranks (Explanation) Well if you are F-Ranks That means you are weak and you can get C-Rank By Doing missions or just stay as an F-Ranks Well if you move up to C-Ranks Your missions will get kinda harder And if you're rank Goes to B-Ranks you're missions are harder thn rnk C