It seems to just be some resources for making a game.
"A free material of the image for which [ni] is used.
Content of collection
One character person
Three kinds of offshade
Clothes: Plain clothes, bathing suit, and stark-naked
The standing picture is expression difference having [ri].
Walking graphic
Penetration PNG form
It is possible to use it regardless of charged free of charge a use unnecessary report, and a credit unnecessary mark.
The image is processed, and remodeling is free."
Even though the translation is kinda broken its clear its not a game anyways