Super Doctor K

Super Doctor K (スーパードクターK) is a Japanese manga series written and illustrated by Kazuo Mafune. It was serialized in Kodansha's manga magazine Weekly Shōnen Magazine from April 1988 to October 1996, with its chapters collected in 44  volumes. A second series, Doctor K, was serialized in the same magazine from October 1996 to October 1998, with its chapters collected in ten volumes. A third series, K2, was serialized in Kodansha's manga magazine Evening from May 2004 until February 2023, when the magazine ceased its publication, and moved to the Comic Days online platform in March of that same year. Its chapters have been collected in 47 volumes as of May 2024.

By September 2021, the overall manga franchise had over 15 million copies in circulation.

Publication
Written and illustrated by Kazuo Mafune, with medical supervision from Tohoru Nakahara, Super Doctor K was serialized in Kodansha's manga magazine Weekly Shōnen Magazine from April 6, 1988, to October 2, 1996. Kodansha collected its chapters in 44 volumes, released from August 17, 1988, to December 13, 1996.

A sequel, titled Doctor K (rendered in Latin-script), was serialized in the same magazine from October 9, 1996, to October 21, 1998. Its chapters were collected in ten volumes, released from April 17, 1997, to November 17, 1998.

Another manga series, titled K2 (manga), started in Kodansha's manga magazine Evening on May 11, 2004. Evening ceased publication on February 28, 2023, and the series moved to Kodansha's Comic Days online platform on March 26 of the same year. Kodansha released the first volume on November 22, 2004; with the release of the 46th volume of K2 on December 21, 2023, the overall series reached 100 volumes. As of May 22, 2024, 47 volumes have been released.

Reception
By September 2021, the overall manga franchise had over 15 million copies in circulation.