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"?)

The return of the famous teen detective, Kindaichi Hajime. With his keen intellect and sharp wits, there is no case he cannot solve, in the name of his grandfather! Official Release: - Indonesian release by Elex Media Komputindo as **Kindaichi Returns R** (2015) Main Series: 1- Kindaichi Case Files (AKA File Series) 1992-1997 (27 volumes/19 cases) 2- Kindaichi Case Files -Case Series- 1998-2001 (10 volumes/7 cases) 3- Kindaichi Case Files -Shin (New) Series- 2004-2011 (14 volumes/8 cases/6 short cases) 4- Kindaichi Case Files - 20th Anniversary Series- 2012-2013 (5 volumes/3 cases/1 short case) 5- Kindaichi Case Files R -Returns Series- 2013-2017 (14 volumes/10 cases/3 short cases) Spin-offs: 1- Kindaichi Case Files -Short File Series- 1997-2000 (6 volumes/20 short cases) 2- Akechi Case Files 1998-2000 (2 volumes/7 short cases) 3- Takato Case Files 2013-2014 (1 volume)

Follows the Kindaichi Shounen no Jikenbo franchise character Akechi Kengo and his partner, rookie detective Kobayashi Ryuutarou, as they solve various baffling murder mysteries.