Idea and collaboration for the crossover game combining Neptunia and Senran Kagura series was officially announced.
The game was first released on PlayStation 4 in Japan, marking the arrival of this crossover title.
The game was launched for PlayStation 4 players in North America, expanding its audience.
European market received the PlayStation 4 version of the game, completing its initial regional releases.
Various ninja clans, including those from the nations of the Neptunia and Senran Kagura worlds, come together to form an alliance to maintain peace in their realms.
Tensions arise between the ninja clans as political and territorial disputes begin to surface, leading to initial conflicts and rivalry.
A legendary ninja blade with immense power is discovered, drawing the attention of all clans and escalating conflicts further.
To settle disputes and decide the rightful ownership of the mysterious ninja blade, the clans agree to hold a grand tournament.
The ninja alliance fights the hidden faction in a decisive battle to protect their world and preserve peace.
Following the defeat of the hidden faction, the ninja clans renew their vows of alliance and work towards lasting peace and cooperation.