Either the princess will come back from time to time to "ensure that the Hellhorde is keeping up with their torture development", or Tortura will enter in the food business.
Mere underwear couldn't possibly hope to contain the Master Rod!
Hentai logic. It would be the same for every single hentai character that shows a dick long as their arm or more, or thick as their leg or more.
Uhm, now that I think of it...
None of the girls saw MC after he raised his "Charm" stat. Wonder what will happen if he forgets to lower it and they meet...