While Merlin was en route to Australia, hundreds of ninjas also sortied in Japan before setting off for Oskia.
Thanks to Oskia's recent visa-free policy, they didn't have to go through all that much paperwork and simply traveled from various airports to Oskia on chartered flights arranged by the Ito clan, carrying only their passports.
As for Rosalie, she was already on the Wilsons' trail even before the ninjas arrived.
She borrowed several of the Schulz family's technicians from her sister S