Tom's cock growth

( This branch includes cumflation, excessive cum, and **** sized penis. YOU HAVE BEEN WARNED)

Tom sits there on the toilet seat covers, looking in disbelief as his rule works and more rules are being written on its own

New rule: “Tom’s cock is 20” when soft and 35” when hard, with his balls being 16” diameter each”
Wait, wha-
But before can process anything, he groans as he feels his pants tighten- No, his cock is expanding… Ripping his pants before he can react. His soft cock pulsing strongly like it has a heart of its own

“Nii chan? Are you ok in there?” Bella’s voice is heard from out of the bathroom

“Everything’s fine! Just… Almost slipped!” Tom faked a laugh

New rule: “Tom has no refractory period unless he wants to, with his stamina matching his needs”

New rule: “Tom’s average ejaculation output is 20 litres, though he can output more if he so wishes”

New rule: “Every woman’s orifice can stretch to accommodate Tom’s cock and cum”

Tom can feel something in him change. His now gigantic balls essentially go overdrive as it produces more and more cum. His body sweating as he tries to keep his mind straight from the sensation

“Nii chan? Are you sure you’re okay?” This time Savannah asks earnestly

“Do you need anything?” Sam chimed in, “towel? Warm cup of water?”

“J-just give me a sec!” Tom responded as he finally recovers from the shock if his bodily changes

Tom never expected this, he knows his sisters are a bit… eccentric, but he never expected it to change how he looked…