Hi, I don't know what happends but when you have the "date" with Ryo before she leaves. The game just doesn't find anymore images. I just get a dark screen, an error and the dialogues.
Now that's a first... Maybe a corrupted file 🤔
Here try with this link that is a packed version https://nopy.to/17R49K02/Ataegina-0.4.9-pc.zip
Let me know if it solves your problem