Click none of the species options, the default is a humanoid penis, though the body is grey due to the character creator not being completed. Keep in mind the game is in beta and is far from completed.
The start up for the game was updated to show off the UI of the upcoming character creator, not for its full implementation, It does not actively display the options you choose, and clicking your gender and species should work as it has for the past couple years or so. Leave your species blank if you want to be human, otherwise the only options are Canine, Feline, Equine, and Mythical. These affect only the penis model due to the fact that the current body in all scenes in a placeholder. I believe the character creator was the winner of the patreon vote, so it will be the major coding focus for the next year or two.