I guess if you are looking for some more scene ideas, then here I'll pass on some!
More scenes to do with Fake Mommy/Past Mommy - maybe some bad ending type stuff with Unbirth content or possibly more fakes running around in the Old Manor.
Forest Area rework - The forest area in the lab is alittle odd to me.. it only has 1 pred and has maybe two three scenes? The story stuff there for Nala is fine! But I feel maybe it could use some expanding and more hybrid characters like we saw with the Grabber ghost. More girls with animal features.. Leaves room for more monster girls
New Game REVERSE! - Instead of playing Anne at the start of the game, you end up playing as Nala, Nala in this alt path would be far braver and more focused on protecting Anne than she was at the start.. eventually having to sacrifice herself to save Anne so she may find the truth :3