Written and illustrated by Motohiro Katou, Q.E.D. started in Kodansha's manga magazine Magazine Greats July 1997 issue. Magazine Great was rebranded as Magazine E-no on April 20, 2009, and the series ran in the magazine until it ceased publication on June 22, 2011. The series was transferred to the then brand new magazine on October 20, 2011, until the magazine ceased publication on February 20, 2014. Kodansha collected its chapters in fifty volumes, released from December 16, 1998, to February 17, 2015.
A sequel, titled , started in Shōnen Magazine R on April 20, 2015. Shōnen Magazine R ceased publication on January 20, 2023, and the series was transferred to the online manga platform Getsu Maga Kichi on February 14 of the same year. It finished on February 11, 2025. Kodansha collected its chapters in 30 volumes, released from June 17, 2015, to April 16, 2025.
A third series, titled , started on Getsu Maga Kichi on March 4, 2025. The first volume was released on August 12, 2025. As of August 17, 2026, four volumes have been released. __TOC__
Q.E.D.
Q.E.D. iff
Q.E.D. Univ.
Chapters not yet in tankōbon format 3.
References