Mark's training (Patreon)

Omniman is obsessed with his son passing any kind of test, and believes that shrinking him will help intensify his training. What better way to test the limits of Mark's body than by leading him to bear the weight of his father's gigantic ass, in addition to his strong smell, Mark will have to endure his powerful farts and being crushed with a gigantic piece of surprise.

Will Mark put up with being crushed by his dad's surprise?