I'm a bit confused. Are half the screenshots, like, aspirational or something? When I play, I don't seem to have a player character and I certainly don't see that dragon/demon/whatever girl (the biggest reason I gave this a shot) in the crystal room... and I don't get the vibe that either of these are somehow unlockable. I don't, in fact, get the vibe that there's anything here but two types of girls (Woman and Sister) and two types of goblins (archer and generic fighter), so I'm not really inclined to keep grinding past day 15 here.
If there's currently more to this – or possibly to that older TBS version the OP mentions? – then somebody please do let me know.
Edit: Ah, I went back a page and saw it said that they're just work in progress screenshots... Big let down. Hopefully this does become something more fun and hot eventually, I guess. It's probably gonna keep getting asked right up until the screenshots change or the content's actually added, though, lmao.