Ninja Health -Moshimo Kanojo-tachi ga Fuuzokujou Nara?-

The long war was fully over, and peace settled in the pagoda.
However, this left the female ninjas unemployed.
Struggling to find a place in the new economy, they applied their unique skills of stealth and cunning
to the commerce of love, in the shadows of the red light district.

[Edited from DLsite English]