A person who has lost his nostalgia for life actively chooses to abandon his life, but the world gives him a second chance, but this opportunity is still accompanied by danger. Will he choose to abandon his responsibilities and live a good life, or take up the responsibility to protect another world?
The characters in the story include people from different countries. They all lost their nostalgia for life and chose to commit suicide for their own reasons. They thought it would all end and they came to another world. This world is very technologically advanced, and the people are kind and simple, and they will not even age. But the world is always attacked by monsters, and the Sweepers were established to fight against monsters and protect the people.
The protagonist is a sweeper, meeting different people and making friends here. Help the protagonist escape from the psychological shadow.
