First TV anime made by Kyoto Animation with a full 1080p standard in animation and post-production.
Oreki was actually a featured detective in volume 83 of the Detective Conan manga.
Madeline Harris is listed as the English voice actress for Chitanda Eru; however, she's actually the voice for Mayaka Ibara. The voices are swapped and Jill Harris is actually the voice for Chitanda Eru.
Based on the first volume of the Classic Literature Club series, a 2001 Japanese mystery novel written by Honobu Yonezawa. Five additional volumes have been published between 2002 and 2016.
The first episode received an early screening at a special event held at Kadokawa Cinema Shinjuku on 14.04.2012. The regular TV broadcast started on 23.04.2012.