| July 2019 |
| 13/07/19 | The alliance MCしんちゃん was founded. |
| Founding members::  Deneb and potechi. |
|  The alliance reaches a population more than 100. |
|
| 14/07/19 | Joining of:ひろし. |
|
| 25/07/19 | The alliance reaches a population more than 1,000. |
| September 2019 |
|
| 05/09/19 | The alliance reaches a population more than 5,000. |
| October 2019 |
|
| 12/10/19 | The alliance reaches a population more than 10,000. |
|
| 22/10/19 | Joining of:Koutarou. |
|
| 25/10/19 | Leaving of:Koutarou. |
| February 2020 |
|
| 23/02/20 | Deletion of:Deneb potechi and ひろし. |
| The alliance MCしんちゃん was canceled. |