Well, this is basically an ad, and that's kind of a shitty move if they're not providing any content alongside...
Edit: also the advertised website is different from the group website that posted. That's kind of strange...
Well it seems it is a kinda of remake of Catastrophic Necromancer? The story is very similar in the beginning... There are some difference like in CN he have a sister? And here it seems he doesn't have... But CN I liked more than that's one...
Blame the (in this case) cursed "follow the raws" rule. This was an actual chapter (now deleted) before ch. 1 was released.
This is what happens when you trust publishers to not be cursed