>>19542257Roughly around last winter, both PekoMiko and Hoshi no Kanata seem to have slowed down to a grind for reasons we will likely never know.
There is tons of speculation on the subject, if you want to look into that.
Then a couple months later, they did a few collabs (GTAO most famously) and then this happened
https://www.youtube.com/watch?v=XBcW7rUCq5cafterwards their collabs skyrocketed, which you can find out in the spreadsheet in the OP