Kinda late and not gonna go through and list everything about the event again, but

Outline of 2nd Anniversary Event Campaign Happenings:
https://twitter.com/imassc_prism/status/1984274174009892889

Login Bonus:
https://twitter.com/imassc_prism/status/1984276675719553506

Idol Ranking Bronze Reward Preview Page (Impersonations)
https://idolmaster-official.jp/lp/monomane_telephone
https://twitter.com/imassc_prism/status/1984213771267780797