Yes, they're still working on it. Just had a Patreon update report yesterday. Anduo rolled out a pretty major update to make the game compatible with Lovense sex toys last month, and for this month and next month it sounds like they will be focusing on quality of life updates and bug fixes. They have been pretty vague if the next update once they're done with QoL will be the final version with two more updates after to flesh out some of the other storylines or if the next couple of updates after QoL will all lead to the final.Is the game still being updated?
They've been working on a lot of artwork and character design with some teases there. It also seems like they've settled on a theme and color palette for the tower and have begun the actual level design and layout.