The Kindaichi Case Files

A series of 17 short cases of Kindaichi.

"Sequel Series to Kindachi Shounen no Jikenbo - File Series.  
Serialized in Kodansha's Weekly Shounen Magazine from 1998 to 2000.

Consists of 7 cases divided into 10 volumes.  
Case 1: Murder in the Forest of the Demon Dog.  
Case 2: Demon Killer from Projection Screen.  
Case 3: Amakusa Treasure Legend Murder Case.  
Case 4: Yukikage Village Murder Case.  
Case 5: Russian Dolls Murder Case.  
Case 6: Murder in Extraordinary Circus.  
Case 7: Young Kindaichi's Trip of Death Preparedness.

Note: In the newer reprints of the Kindaichi series, the File, Case and Shin cases were merged and printed as full cases instead of the original tankobon. The volumes which correspond to the above cases are 20 to 26. The raw links below correspond to the first chapter of the first case of the Case Series." (via Irregular Scans)

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)

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)

The son of a genius magician, Yoichi Takato has been something of a polymath ever since his high school days. However, his high school days are marked by boredom and an inability to open his heart to others. When he happens to join the magic club, he meets with friends to whom he can finally open his heart. 

But then, the curtain rises on a terrifying murder show! 

A spinoff story with Hajime Kindaichi’s nemesis from “Kindaichi Case Files”, “the hellish puppet master” Yoichi Takato must solve this murder case, even though he is still in high school!!

(Source: MangaBox)

With the genius-level reasoning ability he inherited from his grandfather Kousuke Kindaichi, Hajime Kindaichi has solved a great number of very difficult cases. But he is just a regular high school student. Though he wants to get closer to his childhood friend Miyuki, he can't manage to make a move on her because no matter where they go, a terrible crime always occurs! Kindaichi hardens his resolve and invites her on a one-night mini-vacation! "This time it'll work for sure!" he says to himself.

(Source: MangaBox)

Threatening Notes. Locked Rooms. Impossible Murders. We've seen detectives solve them all, but how did they come about in the first place? How does a culprit check into a hotel without taking off his mask? How much does it cost to set up an elaborate trick? What's the right font to use while writing a scary message?  
Presenting all these and more, in a hilarious retelling of the best Kindaichi stories, but this time, from the culprit's point of view! Can the culprit successfully pull off his crimes with the young detective watching on?

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.