The veins across Raijin's balls pumped him up with more and more growth. Sitting ontop of his monster balls he could feel how big and swollen they were from his seed. Every wave of growth made his balls stretch and swell bigger and bigger, and he could feel every bit of it.
"OOOOOHHHHHHHHHH!" he moaned loudly, as he felt the growth kick into overdrive. His balls were now visibly swirling and churning as he exlpoded in growth. They swelled and swelled, larger than wrecking balls. He moaned as he felt his balls knock down and crush evrything in the path of their growth. He could feel his sack grow tighter and tighter as his balls took up more room.
Finally the growth stopped, leaving him resting on balls as high as his ceiling. His body was firmly pressed between the ceiling as the massive wall of his own flesh. Raijin lay there moaning, still reveling in the aftershock of his massive growth. He was jarred from his dream by a rumbling in his balls, he could feel a massive pressure build inside. He was about to...