Used to be a Patreon exclusive - but I'm glad he eventually authorized publication of this particular piece, because it's a tour de force (at least if you can look past his early and somewhat undeveloped art style from 10 years ago).
Narratively, the whole body of work that comprises BLACK LABEL is head and shoulders above pretty much anything else that can be found on e-hentai - and right up there with works by Incase and Sejic.