| Term |
Age |
History |
|---|
| 1 |
18 |
Entered Military Academy(Army Academy) |
| 1 |
21 |
Join a social movement. |
| 1 |
22 |
Dropped out of military academy. |
| 2 |
22 |
Became a Agent (Law Enforcement) with the new title Rookie. |
| 2 |
26 |
Given specialist training in vehicles. |
| 3 |
26 |
Voluntarily left Law Enforcement |
| 3 |
26 |
Became a Drifter (Scavenger). |
| 3 |
29 |
Celia Mills do not know what happened to Celia Mills. There is a gap in Celia Mills's memory. |
| 4 |
29 |
Failed to qualify for Corporate Agent (Agent). |
| 4 |
29 |
Switched to Drifter (Wanderer). |
| 4 |
31 |
Birth or Death involving a family member or close friend. |