"So it turns out... from the beginning, the entire cruise ship had already been engulfed. This ancestral demon is not a small entity; its true form is something that surpasses the size of the cruise ship.
Being devoured by its mouth, you would hear the sound of knocking.
Once you pay attention to the 'knocking', the impact it has on you deepens. This is why I was able to resist at first, but later on, I couldn't contain the urge to open the door anymore.
It's quite strange.
The digestive structure within the ancestor's body, as well as its method of digestion, is related to doors?
Is it inherently structured this way, or is it deliberate… or could it be that the significant stages of demon evolution 'Gate of Demon Ascension' are inherited from this ancestor?
What if the ancestor is closely related to the doors?
Is the construction of the 'Gate of Demon Ascension' and passing through it by demons considered a form of retroactive action?