| June 2020 | ||
| 16/06/20 | The alliance . (today: すいか) was founded. | |
Founding members::  nono and  Sweet Patootie. | ||
 The alliance reaches a population more than 100. | ||
| 17/06/20 | Joining of: ひいちゃん. | |
| 23/06/20 | The alliance reaches a population more than 1,000. | |
| 26/06/20 | The alliance is now known as すいか. | |
| 30/06/20 | Joining of:ayataka. | |
| July 2020 | ||
| 05/07/20 | The alliance reaches a population more than 5,000. | |
| 12/07/20 | The alliance reaches a population more than 10,000. | |
| 25/07/20 | Leaving of:nono Sweet Patootie and ayataka. | |