Hello, my name is Momoi Nanatsuki.
I used to be an ordinary high school girl.
But one day, while I was at my aunt's house, where she lived with her diplomat husband, a crime took place.
And suddenly, a System appeared in my mind.
This System, who called himself Kudo Shinichi, told me he'd been poisoned after witnessing men in black making a deal at an amusement park.
But no matter what the case, there's always only one truth. Even as a System, his mind was just as sharp as ever.
He would surely train me to become an all-purpose great detective.
But before he could finish speaking, I saw Kudo Shinichi appear, disheveled and drenched in sweat, leaning against the wall.
My eyes widened in shock.
Didn't they say you'd been killed at the Tropical Land amusement park a month ago???
So, is this a ghost???
Psychologist, help!!!
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Primarily set in the Detective Conan world
Theme: Light and justice will never be absent