Extraordinary World! I, a vampire...

[MangaDex]

 

[pickleplush2]

bruh, they made the one quin vampire ad from youtube shorts into a comic

 

[drex782]

So, this is actually a long running story called "My Vampire System." I just spoke with the author and he said that this is the pirated Chinese version. He's requested that everyone read it on official channels to garner support in hopes that it someday is made into an anime