by Naho Ōishi, that was published in the monthly magazine V Jump from August to October 2011. It is a sequel to the 1990 TV special Bardock – The Father of Goku with some key details changed. The manga's story revolves around Burdock, Goku's father, who is featured in a scenario where he did not die at the hands of Freeza and fights his enemy's ancestor as a Super Saiyan. On December 12, 2016, the first chapter of a spin-off manga titled was released in Shueisha's Shōnen Jump+ digital magazine. Written and illustrated by Dragongarow Lee, it is about a high school boy who wakes up after an accident in the body of Yamcha in the Dragon Ball manga. Knowing what comes later in the story, he trains as Yamcha to make him the strongest warrior. Utilizing the "reincarnated in a parallel world" theme popular in light novels, the series was conceived by Shōnen Jump+ editor-in-chief Shuhei Hosono. A second chapter was released on May 8, 2017 and the final one on August 14, 2017. A tankōbon collecting all three chapters was published on November 2, 2017 and has 240,000 copies in print. Viz licensed the series for English publication and released the collected volume on November 6, 2018. Reception Popularity Dragon Ball is one of the most popular manga series of all time, and it continues to enjoy high readership today. Dragon Ball is credited as one of the main reasons manga circulation was at its highest between the mid-1980s and mid-1990s. During Dragon Balls initial run in Weekly Shōnen Jump, the manga magazine reached an average circulation of 6.53million weekly sales, the highest in its history. During Dragon Balls serialisation between 1984 and 1995, Weekly Shōnen Jump magazine had a total circulation of over 2.9billion copies. The collected tankōbon volumes of Dragon Ball have sold in record numbers. By 2000, more than 126million copies had been sold in Japan. As of 2008, it had over 150million copies in circulation and was the best-selling manga ever at the time. In 2012, Shueisha announced that its tankōbon sales had grown to more than 156million, making it the second best-selling Weekly Shōnen Jump manga of all time, behind One Piece. This number grew to 159.5million copies by 2014. By 2018, Dragon Ball had a circulation (including the kanzenban edition) of more than 160million in Japan. The manga is similarly popular overseas,