A collection of whimsical illustrations and concept art from the imaginative world of Perky Little Things.
: The physical release for the Nintendo Switch includes a printed 200+ page NSFW artbook perky little things artbook link
Currently, the legitimate ways to access the artbook are as follows: A collection of whimsical illustrations and concept art
is available as DLC. Note that you usually need to own the base game on Steam to purchase the DLC. perky little things artbook link