Q.E.D. (manga)

 is a manga series created by Motohiro Katou. Sou Touma is a university graduate who encounters a variety of investigative cases after returning to Japan from the US. He works with his friend, Kana Mizuhara, combining his deductive skills with Mizuhara's social gifts.
"Q.E.D." has sold over 3 million copies in Japan and has been adapted as a live-action TV series.
Development.
The manga was first serialised in "Magazine GREAT" in 1997, and continued as a "Magazine E-no" segment in 2009 after "Magazine GREAT"'s cessation. Currently, "Q.E.D." is serialized in "Magazine Plus", and, as of October 2014, 50 volumes of "tankōbon" have been released.
Generally, each volume has two cases, both of which are solved at the end. As of March 2012, there was only one full-length case that had spanned an entire volume which flashbacked to Sou's time studying at MIT in the US.
After the cancellation of "Magazine Plus", the manga was renewed in "Magazine R" under the title Q.E.D. iff.
Media.
Television adaptation.
A live-action Japanese television drama version of "Q.E.D." was aired in 2009. The series stars Ai Takahashi as Kana and Aoi Nakamura as Toma, and was composed of ten episodes.
Reception.
In 2009, "Q.E.D." won the Kodansha Manga Award in the "shōnen" category.