To provide a scene expansion system for fictional contents that can provide a live video image related with each scene under the expansion of contents such a video game, novel, movie or music contents.

The scene expansion system for fictional contents expands each scene configuring 'fictional contents' consisting of a story, a scenario, playbook, music, a stage direction or a choreographing where scenes including an image, music or sound are sequentially expanded according to a predetermined sequence, is characterized by that the system includes an image pickup means that picks up respectively scenes of many planes that can be open to the public, a live video image capture means that captures live video image picked put by the image pickup means in real time or almost in real time in relation with it when one of the scenes or more is expanded, and a display means that displays the live video image captured by the live video image capture means while related with the scene.