Azur Lane: Crosswave brings together the Eagle Union, Royal Navy, Ironblood, and Sakura Empire in a collaborative effort known as the "Joint War Game." Participants from each nation are selected for this grand event, raising their fighting spirits amidst hidden ambitions and mysteries. As the naval battle unfolds, players delve into the intrigue behind the scenes and the rapid emergence of the Joint War Games.

Set in a world where nations unite for a common goal, Azur Lane: Crosswave offers a unique blend of action and strategy as players navigate through alliances and rivalries, uncovering the secrets that drive the narrative forward.