The first page talks about how she always return "here". That to me sounds more like a repeating nightmare than a repressed memory. My heart sank on page 6, much like when I saw Sayori in DDLC.
(I haven't finished it yet, but i have to comment this)
-What's the difference between "Cafe latte" and "Cafe au lait"?
-"Cafe Latte" it's a delicious hot drink and Cafe au Lait has a lot of delicious incest and meeting trough a date web sites mangas
This is something I forgot to put in the translation notes: the title is a pun on the word "yuurei," which is Japanese for "ghost." It combines that word with "yuri."