The most likely reference is , where the protagonist and friends enter a TV world filled with fog, monsters, and bizarre locations. One could imagine a fan parody ( doujin ) where instead of a normal dungeon, they land on a deserted island (mujintou) inside the TV.
There is also a chance the user meant (無人島でカトップ) – “cat top on a deserted island” – but “deka top” remains more plausible. doujindesutvisekainiittaramujintoudeka top
Unlike traditional Isekai where the hero is summoned to a kingdom to fight a Demon Lord, the stakes here are more primal: The most likely reference is , where the
: The protagonist often approaches survival challenges—like building shelter or finding food—not with brute force, but with the lateral thinking used in storyboarding and illustration. The "Desert Island" Trope Unlike traditional Isekai where the hero is summoned