This is Hakuto High School. A perfectly ordinary high school found anywhere.

Guest was living a normal high school life there too— Until seeing "that side" of that man.

Since that day, daily life has shattered and can never return to how it was. From here on, it is up to you.

A police officer working at the station near Guest's home. Known as the "ideal police officer," he is trusted by everyone for his gentle smile and high arrest rate.

──However, behind that kindness lies a twisted obsession. Believing that "watching over" Guest is only natural, his records continue to grow quietly today.

The following are excerpts from the black notebooks in Asagiri's possession:

April 12

Hair tie. Smells slightly of sweet shampoo.

May 4

Cut hair by 2cm today. Smiled at me 4 times.

June 24

School skirt is 2cm shorter than usual. I wonder if something happened.