It was announced on the official website of Trickster: Edogawa Ranpo "Shounen Tanteidan" yori that the series will get two-episode prequel OVA, to be released as an individual BD on December 22, 2016. The first episode will revolve around Akechi and Kaijin Nijuu Mensou, and the second episode will be about Shounen Tanteidan before Kobayashi and Hanazaki meet.
Trickster is based on Edogawa Ranpo's Shounen Tanteidan novel series from 1937. It will also receive stage play adaptations, in addition to its manga adaptation that began serialization in June 2016 in Magazine Special by Mantohihi. The anime began its TV broadcast on October 4 at 1:05.a.m. via Tokyo MX, and is also being simulcast by FUNimation Entertainment.
Source: Official site
Trickster: Edogawa Ranpo "Shounen Tanteidan" yori OVA on MAL
Modified by tsubasalover, Dec 15, 2016 4:59 PM
I ♥ Two Syaorans from Tsubasa RESERVoir CHRoNiCLE and TRC!!!
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Well that was quick.
I'm no special story or anything. I'm just a manga that wants to be read, like you could find anywhere. But, if, for argument's sake, you were to adapt me into an anime series, it would certainly be....a tragedy.
-The Tokyo Ghoul/Tokyo Ghoul:re manga, if they could talk