Its not completed, this author shares a chapter part by part every week. Uploader expressed this many times
((Just had to go back and check so sorry for the additional reply))
It's also not even a weekly update atp. The uploads are sporadic, bi-weekly at best. So it's either the uploader on here that's lagging behind with the publishing site OR the publishing site only updates when it feels like it will make the most money.
Also, I follow the artist for this series on Twitter and I haven't seen them mention that they themselves chop the chapters up this way. And from my own personal knowledge of how these publishing sites work, it's the more logical reason that they receive the full chapter and chop it up the way they do.
It isn't the first time they've done it like this by far.
Chapters that are already completed this fucking short should be a criminal offense.