Why are you so… Serious!?
No Kansen can defeat the Royal Navy's very own, Sirius! The Sirius DLC unlocks the following: Main Ship (Playable): Sirius Support Ships: London Alabama Azuma Story Mode: Sirius - Additional Story Mode content This DLC unlocks Sirius as a playable character, 3 new Support Ships, and additional Story Mode content for Sirius! Azur Lane Crosswave - Sirius DLC Steam CD Key.