[Lemons]

Since her appearance is finally made known:

Spoiler for Ange question:

I've been wondering for the longest time was the mentioning of Ange being ill skipped over in the anime? Because it seems just inserting her in the third arc, saying "This is my sister Ange" is a bit of fast paced writing that fits itself into a poor downside.

Question rephrased where in the VN is Ange being ill mentioned in the first episode, as well for in the anime was mentioned?.