Published on April 4, 2013, the first volume of Dragon Ball SD features a special congratulatory note and artwork crafted by Akira Toriyama. In the message, Toriyama shares his gratitude for series creator Naho Ooishi, accompanied by an adorable, chibi-style illustration of Goku drawn in the manga’s distinct aesthetic.
(Note: All release dates and details pertain to the Japanese editions.)