The protagonist is reincarnated as a lowly dungeon spider in a fantasy world after a mysterious catastrophe in their previous life.
The spider defeats her first powerful boss monster, gaining immense experience and evolving significantly in strength and abilities.
She establishes a territory within the dungeon, creating a web kingdom to secure resources and defend against threats.
The protagonist discovers and learns to use the magic and skill system of the world, enhancing her combat prowess and survival capabilities.
The spider encounters other students who were reincarnated into the fantasy world, revealing connections and parallel storylines.
A significant battle occurs between the spider and human adventurers exploring the dungeon, testing her strategic skills.
Unraveling the mystery behind the event that caused the reincarnation and the world's history becomes a major focus.
The spider forms alliances with demon lord factions, strengthening her influence and gaining new allies in the world.
She gains recognition as the ruler of the dungeon, commanding respect and fear from other dungeon inhabitants and external forces.
A final battle to protect the world from an existential threat that ties back to the original reincarnation and catastrophe.
