It is a derivative work of the concave and convex world. If you can't stand the knife, you don't have to read it. After all, I don't know how many knives there are.
Main CP: Thunder Lion × An Mixiu
There are no supporting characters, all of them are protagonists.
The concave and convex world of the parallel world, the unofficial concave and convex world
Intention: Mainly an essay, don't elevate it to a role!