Background
Mugiwara Shintarou worked as an assistant under Fujiko F. Fujio before moving on to his own work.
Career
When Fujiko F. Fujio passed away, Mugiwara took over the Daichouhen Doraemon series based on his predecessor's wishes. He handled volumes 18 through 24, continuing the manga after the original creator could no longer do so himself.
Content compiled by AnimeList.moe from publicly available sources.