The key to solving the ultimate locked-room murder is... a supernatural ability...?!
Voted #1 for four consecutive rounds in anime news site Anime! Anime!'s Novels & Light Novels We Want Adapted into Anime poll! (As of October 2026)
The sensationally popular authentic supernatural mystery gets a manga adaptation!!
Amanai Haruma is a mystery lover in the Literature Cluba club teetering on the verge of disbandment.
After showing the mysterious, beautiful transfer student Reidou Momiji around the school and the club, both look forward to a fresh start to their school life.
But right then, a classmate is murdered in the gym.
And so, Amanai and Reidou must take on the ultimate locked-room murder that shakes their school to its core...