https://x.com/azurlane_staff/status/1964675019193417861
> Ship Introduction Fleet
> /12 () After maintenance, the Urayama event "Fierce Battle! Ninja Castle" will begin!
> As the castle lord, decisively complete missions to facilities and fend off the refined ninjas attacking!
> Don’t miss out on truly luxurious rewards, including equipment skins and ship exchange items!