Dorohedoro is a Japanese manga series written and illustrated by Q Hayashida. The series began in the first ever issue of Shogakukan's seinen manga magazine Spirits Zōkan Ikki (re-branded as Monthly Ikki in 2003), released on November 30, 2000.[1][2]Monthly Ikki ceased publication on September 25, 2014,[3][4] and the series was transferred to Monthly Ikki's magazine replacement Hibana, starting on March 6, 2015.[5][6][7]Hibana ceased publication after a two-year run on August 7, 2017,[8] and Dorohedoro was transferred to Shogakukan's shōnen manga magazine Monthly Shōnen Sunday on November 10 of the same year.[9][10] The manga finished after eighteen years of publication on September 12, 2018, with its 167th chapter.[11][12] Shogakukan collected the chapters in 23 tankōbon volumes, released from January 30, 2002,[13] to November 12, 2018.[14] A 14-page special chapter was published 17 months after the series' finale in Monthly Shōnen Sunday on February 12, 2020.[15][16][17]
In North America, Viz Media began distributing the manga digitally in 2009 when it launched its SigIKKI site, the former online English version of Monthly Ikki.[18] The twenty-three volumes of Dorohedoro were released in print from March 16, 2010, to September 17, 2019.[19][20][21] It was translated by the localization company AltJapan Co., Ltd., who has continued to translate all subsequent releases.[22]