Persona 4 Easter Egg - Hidden Twilight Reference

When you become close enough friends with Diasuke, he will invite you on a Sunday outing to hang out. On one of these outings, you will be given a book "Witch Detective" Which you can read at home on your couch. When reading, a reference to the book series "Twilight" Appears. It reads as follows.

A ploddingly written romantic novel about a girl in her first day of school in her now town; vampires are involved. The content of this book was almost physically painful for you to read.