>>12663197It isn't sudden, almost a years worth of prep.
Pekora's first interaction with Botan was during the elytra hunt where she was included in the PekoMiko group and very smoothly engaged with them. Then you got the PUBG collab from that and then Usaken to further it.
Towa was a DBD collab during her streak of unusual collabs which led into Minecraft pranks, and then Usaken.
Then Usaken summer festival helped deepen their bond as they all three worked on it a lot together and even toured it together.
