With Senran Kagura 2: Deep Crimson’s website opening, we now have the game’s story prologue available. You can find it below, courtesy of Siliconera’s translation.
Ninjas are like shadows, the true shadows. Ninjas are like flames, deep crimson flames.
No matter how much the times change, the work of people will not change.
The ninjas that live on the dark side of the world, are still needed today.
Due to differences in ideology, “good ninjas” and “bad ninjas” are destined to fight.
However, humans are an existence that have always had both good and bad within them.
Only those who aren’t considered human can escape from the spell that creates this contradiction.
This all comes from the trails of the fight between good and bad.
And nobody has yet to find the whereabouts of the quietly burning “deep crimson”…