Here are a few suggestions for finding what you're looking for:
If you need help finding more adult animation communities, let me know: Share public link
The update is not just about fixing the past—it lays the groundwork for the future. In the director’s commentary included in the Patreon release, Rin mentions that Episode 04 will feature a “musical number” and will explore the Hostel’s basement level. The post-credits scene from Episode 03 shows a map with three unexplored floors.