Anime/Manga Full-length retro fantasy novels similar to "The Three-Body Problem"

When I first read it, I didn't think it was very ordinary. However, after reading ten chapters, I gradually felt that the plot was too exciting. It opened up the world barrier of imagination in my mind. It's amazing, it's really like another parallel world, but the rules and laws of that world are completely different from ours. It's amazing, and at the same time, there must be our philosophy as the basis to explain the story, and we can learn a lot of philosophical issues from the side! ! ! , a very valuable fantasy and retro science fiction theme. . . . . . ! ! ! ! ! ! !

Search in youtube:One Thought Is Eternal Chapter 1-4

audiovisual novel youtube link：https://youtu.be/pdYoAxZVdF0