- If you're looking for the notes themselves, see Naho's Notes.
Naho Saenoki's notebook is found by Yoshiki Kishinuma and Ayumi Shinozaki, it lies on the floor of the entranceway in the fifth chapter. This begins their quest in search of the other notes from Naho's notebook.
The first note is found inside the notebook itself, talking about Naho's investigation of the Shinozaki estate.
The second note can be found in the hallway outside the classroom 1-A. It talks about Kou Kibiki and Shougo Taguchi's journey to Heavenly Host and now Naho dragged her friend into Heavenly Host to save her mentor.
The third note can be found in the first floor's bottom west hallway. It talks about how "Sachiko Ever After" or "Sachiko in the Everafter" as is it named in the note works and how to escape the school.
The fourth note is found inside the Science Lab. It talks about that using the "Sachiko Ever After" to go back to the real world without appeasing the Children Spirits is dangerous.
The fifth note is inside the classroom 1-A. It has notes 5/5, 6/5, 7/5 and #/5 and tells the player Naho's perspective of her finding Kou and killing him after darkening.