This novel is mostly an original fantasy series. Occasionally, the author's favorite anime characters are involved. In order to show respect for the author of the original animation, the type is fanfic.
"Dark Night Blood? Yes, I have heard that they are a very powerful killer group! Is it appropriate for you to reveal your identity so easily? Aren't you killers? And your heads are worth a lot of money!"
"We are indeed killers, but we are not killers who hide in the dark. We have no need to keep secrets because we absolutely believe in our own strength. We are night blood! We keep secrecy in the human world just because we don't want to cause panic."
. . . . . . .
Start digging a hole~~~~Enter with caution~~~