The phrase "todo en el mundo" (everything in the world) implies an exclusivity. It suggests that Naruto becomes the center of the universe. In these stories, the "Lemon" content isn't just random; it's usually plot-driven.

Some stories utilize a "System" or "Game" mechanic (often called "Naruto Sistema Lemon") where Naruto gains abilities or "rewards" for his interactions with various female characters. Power Fantasy:

In these stories, a catastrophic event or a specific jutsu typically wipes out the entire male population, leaving Naruto Uzumaki as the sole survivor [3, 4]. This premise serves as a vehicle for a harem-style narrative

Naruto Uzumaki, known for his resilience, determination, and ability to adapt to extreme situations, finds himself as possibly the last human in this lemon-dominated world. His initial reaction might range from confusion and disbelief to a quick realization of the need to survive.