The Bond of Diamond Ace

If you like a person, a work, or a period of youth, you don't necessarily have to join in, as it might destroy the original beauty. The male protagonist of this article is a modern orphan who traveled through time and respects the protagonist and wants to grow up with him, not as a teammate, but as an opponent. All the contents of the full text are purely YY. Please do not pursue the facts. Some of them may not be consistent with common sense. I hope it can be included more. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.