He turns on the shower and stands in the tub, he stands back to avoid getting properly wet, but can see a few droplets on the outside of the diaper. As hoped he immediately starts needing to go, he lets it all come out and he feels a rush of warmth surrounding his crotch and running down toward his buttocks. He lets out an involuntary shiver of enjoyment as he can feel the warmth spread. A small trickle runs out of the side and down his leg.
“I knew they might leak” he says to himself. “Good job I’m in the tub. I’ll have to get some of those plastic pants.”