Thank you for your words, I'm really happy you enjoyed the game so far.
To answer some your questions, yeah, in 2019 I went back and remade the entire game (images, coding, etc) from the ground up. The images may look different because I've been testing some lightining tricks since then. Some of them may feel a little darker, some may have some bloom or strong DoF as I feel they're needed to convey the event.
I enjoy putting random characters on the background because it makes the scene overall look less bland and plain. One of my major grips with other games of this kind is that most scenes look, I dunno, hollow (?) and lifeless.
Regarding Mary, I don't really think she'll make a comeback. She's a character from another game from another dev and was just part of a crossover we made back in the day. But, as you liked her, you may want to check the game she's originally from, House Arrest, by TK8. You can find it here on F95, it's a very good game and the humour in it sometimes feels very similar to my game's (I think that's because me and TK are from brazil, we have a kind of silly sense of humour here).
The game's development has been kind of slow the past two months due to some issues I'm going through RL and my job (I work at the public healthcare system), but I've been picking up the pace lately and returning to my usual development cycle. And don't worry, I won't vanish into thin air xD.
And finally, about the piss drinking, well... To be brutally honest with you, I'm not into it either, but it has been requested by so many people and seems to be such a stapple in those games that I had to include it. If you want to see an example of what kind of stuff I'm going to do with it, you could check out Max's Life (especially the most recent chapter), that game has a lot of this kind of content and I guess it'll server as some inspiration for me.
EDIT:
I can't possibly talk about that kind of kink without this classic: