Sawatari Takeru was suddenly teleported to a remote village in Isekai. He immediately shouted with joy, "Hyahaa! Isekai Teleportation! I'm the Yuusha!", then went to the nearest store, sold all his belonging and purchased an iron sword, then to the Bou

Houjou Yuuji, 30 years old, jobless, hikkomori for 10 years. Using his parents' death as the impetus, he decides to rid himself of his hikkomori life and leaves the house. What awaited him, however, was a different world that he was not used to, creature

In the far future, humans abandon the devastated Earth and move to the upper world "Tenjo". But Tenjo and the law of causation collapse from a war and humans return to the Earth, which has turned into an uninhabitable planet, with the exception of the Div