Here is the receipts. But some stuff is missing.
"Finana discord cancelled their b-day billboard project because she told them they're unoriginal and copying hololive
Finana has a menhera meltdown on twitter about how nobody draws her in group fanart and cancels streams because of it
Finana jumps in during the drama with her infamous "L + Ratio you parasocial fucks" tweet (somehow this doesn't stop her from doing valentines dates and sell wedding ring merch though)
Finana gets caught joining a fan discord server with her official account where she constantly joins vc and plays games with its members, gets bonked by management and is forced to leave it only for her to create an alt account and join again behind management's back, causing her biggest paypigs to leave her over the preferential treatment to the members of the server
Finana's aforemention discord groomer circle leaks her Nijisanji audition tape
"
And here is the clip how Finana backstabbed Sayu.
And I have the list from here.