Everyone knows the story of a teenager being transported to a fantasy world, There are others about returning to the modern world after defeating the demon king. What about our little loner Hikigaya Hachiman? What happened when he returned from such an adventure?

Untold millions are familiar with a story that goes like this: a young, brilliant outcast is bitten by a unique spider, granting him marvelous abilities he learns to use for good. Hikigaya Hachiman could've never imagined that description would someday apply to him as well. But can a living, breathing human ever match an ideal hero? Could he ever become...a Splendid Spider-Man?