Kamen Rider's Anime Journey

An ordinary otaku accidentally traveled through time and got an exchange system. But he unexpectedly discovered that his time travel was not that simple. In that world, he met countless weirdos. To find an answer and destroy these weirdos. He constantly travels between worlds. However, as he got deeper into the matter, he found that it was not as simple as he thought. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.