Neptunia x Senran Kagura: Ninja Wars

A world where all ninja gather "Game Ninja World"
A conflict between two feudal lords of each land over the control of the country, a spark between two major powers leading two ninja schools.
The "Konpa School" mastered of "Command Technique" style, while the "Hanipa School" mastered of "Action Technique".
The two camps were fighting when suddenly a machine ninja army attacked using a "Shoot Technique" style.
Machine ninja army already invades a small country, and its head "You Geima" announced to the world.
The start of the "Super NINJA War" that decides the strongest school in the world!