Since every miraculous is under good hands except the butterfly what if lb and cn reveal their identities in the first few episodes and they keep tabs on 8 holders each and have alya Luka nino alix 2 in command.
And as the season goes cerise finds their identities out silently one by one which can lead to a full fight between both teams like a captain America civil war kind of concept with cerise taking up other identities and manipulating the whole team having the close connected ones argue. Eventually they find out it was cerise who did it.
Secrets can get revealed with this like
Adrian finding out Abt Gabriel and cat Blanc which can lead to a break up
Nino finding out that alya knows lb identity which can also lead to a break up
And any other plot points for friendships or couples to die out
Ladybug team
Ladybug
Rena rouge
Bunnyx
Ryuko
King monkey
Caprikd
Minataurox
Pigella
Cat noir team
Cat noir
Viperion
Vesperia
Pegasus
Carapace
Rooster bold
Argos
Purple tigeress
Then in s7 it can be a comeback season mending everything back together and defeating cerise