Penis on Stomach.
Really liked such images, so created Lora for this.
Activation tags:
StomachPenisER, penis, erection, standingBest Lora weight: 0.8-1.0
May be required to put 3d in negative tags.
Also draws mostly muscular male, so you can add muscular to negative tags
If you want me to continue creating Lora you can just donate some buzz or even post image to any of my Loras. It will help me a lot!