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Mori already talked about this WAY before Tempus was even planned to be a thing
She was always supportive on the HoloStars, to the point she even thanked them on Myth's anniversary stream. But she has only truly collabed with Rikka and Rio, and Rio was because they got randomly matched basically.
She still mentions them and she's chill with the Stars mentioning her too, Oga thanked Mori for lending him her Scythe for a concert, and Aruran made a song inspired by Mori where he even give a shoutout to her
Now, the collab matter comes from Mori saying that she feels like she needs to truly "connect" with her collab partners, she needs to related to them and feel like they're going to become great friends
She apretiates the Stars and supports them continuosly, and asks us DeadBeats to support them too. But she doesn't collab with them because she doesn't feel that connection yet, but with Magni and Vesper she felt it right away so she became friends with them, and now they're gone
Her resoning is understandable but is kinda a shame since I feel like she should take a wild chance to collab with more Stars, I feel like she could get along with more of them.
[spoilers](And I also wish for Mori to collab with Hakka in a song. Mori started doing more rock and she feels comfortable with rock songs, and Hakka is a hard rock and screamo singer, I feel like they could do a fire song collab)[/spoilers]
