| Term |
Age |
History |
|---|
| 1 |
12 |
Entered Military Academy(Dolphin Military Academy) |
| 1 |
15 |
War breaks out, triggering a mandatory draft. |
| 1 |
15 |
Used social standing to avoid the draft. |
| 1 |
16 |
Graduated. |
| 2 |
16 |
Became a Dolphin Military (Underwater Commando) with the new title Private. |
| 2 |
17 |
Receive special training in underwater mine disposal. |
| 2 |
20 |
Promoted to Dolphin Military (Underwater Commando) rank 1 with the new title Lance Corporal. |
| 3 |
20 |
Voluntarily left Underwater Commando |
| 3 |
20 |
Became a Scholar (Field Researcher). |
| 3 |
21 |
Gained a contact. |