| September 2017 | ||
| 23/09/17 | The alliance ひゃくしょう was founded. | |
Founding members::  yoru. | ||
 The alliance reaches a population more than 100. | ||
| October 2017 | ||
| 01/10/17 | The alliance reaches a population more than 1,000. | |
| 10/10/17 | Deletion of:yoru. | |
| The alliance ひゃくしょう was canceled. | ||