Her Royal Highness Seems to be Angry Vol 5

After discovering Cashaal's evil secret behind the creation of Black Magic and the poisoning miasma being wielded by the masked man named Sala, Zeke's locked-away memories of the past have also been released. If Zeke’s memories are to be believed and he truly is the same Nao of Leticiel's past, does that mean Sala is in fact... Zeke's brother from another world?!