I really just want to lie down and win

Chapter 22 On Systems and Grading Scales

The system is divided into these six grades from D to SS.

Level d is the entry level, and the attributes are generally more than 40

C-level more than 50, and so on.

The attribute can be added 7 times for each upgrade, the first time it needs to consume 50, the second time 100, the third time 200 and so on
That lottery pool consumes [-] winning points each time it is drawn once

(End of this chapter)