A sequel set two years after the events in Tantei Gakuen Q and the fall of the murder-planning syndicate Pluto, the story follows the students of Class Q under the new Principal Nanami as they solve mysteries, trying to live up to the legacy of the legendary detective who started their Detective School. But is Pluto truly gone, and what became of Cerberus, the high-ranking official who escaped two years ago?

A side series of Young Kindaichi's case file. The cases in this series are: 1. "File 1 The First Case of Young Akechi/Alternative title: Farewell, My Dear Friend" (FILE1 明智少年最初の事件, "Fairu Ichi Akechi Shōnen Saisho no Jiken"?) 2. "File 2 Quartet with Intent to Kill/Alternative title: The Perfect Violinist, Akechi" (FILE2 殺意の四重奏, "Fairu Ni Satsui no Karutetto"?) 3. "File 3 Ghost Swordman Murder Case/Alternative title: The Pride Murder)" (FILE3 幽霊剣士殺人事件, "Fairu San Yūrei Kenshi Satsujin Jiken"?) 4. "Special Story Kengo’s Room" (スペシャルストーリー 健悟の部屋, "Supesharu Sutōrī Kengo no Heya"?) (Source: Wikipedia)

This iteration features a return to the teenage era Kindaichi, where he yet again solves cases alongside Miyiki, with the help of trusty Inspector Kenmochi.

Side story of the Young Kindaichi Case Files. The cases in this series are: 1. "File 1 Testimony Puzzle/Alternative title: The Murder Train" (FILE1 証言パズル, "Fairu Ichi Shōgen Pazuru"?) 2. "File 2 Killing Poker/Alternative title: Unlucky Men in the Rain" (FILE2　殺人ポーカー, "Fairu Ni Satsujin Pōkā"?) 3. "File 3 Dead Person's Checkmate/Alternative title: The Great Chess Player, Akechi" (FILE3 死者のチェックメイト, "Fairu San Shisha no Chekkumeito"?) 4. "File 4 Ghost Hotel Murder Case/Alternative title: The Encounter" (FILE 4 幽霊ホテル殺人事件, "Fairu Yon Yūrei Hoteru Satsujin Jiken"?) 5. "Special Story Supt.Akechi Morning's Pretty Scenery" (スペシャルストーリー明智警視　優雅なる朝の風景, "Supesharu Sutōrī Akechi Keishi Yūga Naru Asa no Fūkei"?) (Source: Wikipedia)

The two volumes contain one long case, "Murder Committed by Inspector Kenmochi", as well as two short stories in the second volume. The first one-shot, "Evil Spirit at the Diving Pool / Diving Pool's Evil Spirit" was first published in the July 2009 edition of Shounen Rival and is about an evil spirit at the diving pool at Kindaichi's junior high school. The second one-shot is titled "The Campsite's Mysterious Event." Both short stories feature Kindaichi in junior high school.