Since the protagonist, Haru, is a schoolgirl, this feature could be stylised as her personal or scrapbook , filled with hand-drawn illustrations and frantic notes about the horrors she survives. 1. Spirit Profiles & Behavioral Logs
Finding a might reveal the tragic backstory of a Child Spirit haunting the school.
Collecting all pieces of a could unlock the "true name" or origin of a major boss like Malice. 3. Interactive Tracking
Brief notes on how the spirit reacts to light or sound.
It could suggest which Omamori (Charms) are most effective against certain spirit types, such as using the Small Flower to slow down light-sensitive enemies. 4. Meta-Commentary (The "Malice" Twist)
Hints on whether to use specific items like pebbles for distractions or salt for protection.