The Fake Killing Game?

Everyone who died was brought back to life and everyone from Trigger Happy Havoc, Goodbye Dispair, and Killing Harmony are transported to play another killing game but this time the killing game is fake?

Komahina, Saiouma, Naegami centric

Other ships like Bandaid, Fuyupeko, Soudam, Soniaki (that is the ship name for Sonia and Chiaki right?), IshiMondo, Celesigiri, Hiyoko x Mahiru, Korekiyo x Rantaro, Tenko x Himiko, Kaito x Maki, and Kaede x Mui