Yudel And The Obscene Library summary:
Wizard Yudel's only pleasure is masturbating with new adult toys every day. This time, while browsing through the merchandise of a regular merchant to buy a new toy, he ends up buying a strange egg that he has never seen before... And the egg is supposed to hatch into a pleasurable sex toy?! Didn't they say that an incubus with monstrous tentacles would be born from it!? Yudel feels like he has been scammed by the merchant! Original Webtoon: MrBlue, Ridibooks