High School DxD

Naruto appears floating in what appears to be a forest, so he decides to explore it to know exactly where it was and manages to see a type of building later and when it gets close enough, he manages to see what appears to be an abandoned type of building. which for some reason gave him a strange feeling, as if something from there wanted him to leave that place. In addition, there was another much larger building not far from where he was.

But he has already had similar or worse experiences, in his ghostly form, deciding to approach and he could explore the abandoned building or he could explore the nearby building.