Arpeggio of Blue Steel Vol. 18

NO REST FOR THE WEARYWhile protecting the White Whale from an approaching Fog patrol fleet, I-401 is ambushed by the Mutsu...but there’s something strange about the battleship’s tactics. Meanwhile, Takao, now tasked with guarding Facility Number Four, faces off against Haruna and Kirishima, who are desperate to discover the secrets within!