(Protagonist Lancer + No Harem + Future Closed Loop + Formation of Forces + World vs World + Group Image)
The door to the world slowly falls. In the new world, where do the confused people go?
In the future, on the ruins of gates, there will be people who can't tell the way they came.
In the past, the stories of the world were intertwined, and the shadows of all living beings were stretched longer and longer.
Everyone will write their own story.