[A rather, or even exceedingly, rare female-led everyday school mystery, a prequel to The Witch's Trial, a missing piece of the story, and Danganronpa]
"As a detective, I can't just turn a blind eye to people with nowhere left to turn." The detective girl named Kirigiri Kyoko said this to the girls.
[Onegaishimasu! Without little Kyo, watashi...!]
Tsukishiro Yuki mysteriously disappears, and Kirigiri and Hiro's group get caught up in a series of prophetic murders. Did Emma indirectly cause Tsukishiro Yuki's death? Why does Hiro want to kill Emma...? Determined to avenge the dead Tsukishiro Yuki, Hiro devises a murder plan. But though Hiro is consumed by murderous intent, one of her targets has already been killed... Who got there first? Will the culprit strike again? To carry out her revenge with her own hands, Hiro once again teams up with Kirigiri as a detective.
The mysterious love letter Kirigiri receives: "Little Sister Kirigiri, I love you."
There was only one sender, so why does everyone look so suspicious?! The mystery-solving adventures of Kirigiri Kyoko and the girls begin here.
