Why victim chosen to partner was they are not met living perticipant before.so
two otther victim met one of living.(Kugie,Megumi)
Hayasaka knew Sara but now memory erased by organization.(so he knew Sara but not met her?)
Mai know participant's win percetage rating.
Anzu know Rio Ranger wear her cloth.
Hinako call Sara "Sara--Sempai" even not knew each other.
in Sub game,monsters attack you and It seem you can fight with debate(?).
before start discussion,demo end