| September 2019 | ||
| 14/09/19 | The alliance かんせん was founded. | |
Founding members::  coco. | ||
 The alliance reaches a population more than 100. | ||
| February 2020 | ||
| 22/02/20 | The alliance reaches a population more than 1,000. | |
| September 2019 | ||
| 14/09/19 | The alliance かんせん was founded. | |
| Founding members:: coco. | ||
| The alliance reaches a population more than 100. | ||
| February 2020 | ||
| 22/02/20 | The alliance reaches a population more than 1,000. | |