That is why I said at least six years, I did go digging through all those Chinese language forums once out of curiosity and honestly it isn't entirely clear when development started in earnest. Given the progress at the launch of the Patreon it definitely wasn't a brand new project though and there are quotes predating Patreon with Helius saying all the level design is done (lol). Daisy in summer was around 8 years ago so that's probably an absolute upper bound.Nihil5320
Don't speak of things you don't know about.
This scam in "development" almost 8 and half years.
And last update was in summer 2020, also almost two and half years ago.
As for the updates part I would agree that the last good update was years ago, but saying they've had no updates is disingenuous at best. Helius does enough bad shit and this project is incompetent enough that hyperbole just makes your arguments look silly.
UE5 wasn't even in early access in February 2021 and this project was UE4 from the beginning...coolgy
I repeat, and read carefully: Don't speak of things you don't know about.
The "game engine" you mentioned, obviously, you don't know what is it, the Unreal, they upgraded version from version 3 to 5 in February 2021. With zero impact on content, of course.
Last content change/update was at summer 2020, in June (if I'm not wrong with month) Harem and version 0.49, they also almost scrapped gallery (moved into Harem for "experiments") and removed VR.
Since then they lied about gameplay, game campaign, Galatea, horse, VR, Erotas Night club, etc. All of it is just BS and lies.
Now do the simple math.