Masashi Kishimoto
Following the conclusion of "Naruto", Kishimoto became involved in the "Start of a New Era Project" commemorating the manga's conclusion and 15th anniversary. On the last page of the final chapter, "Weekly Shonen Jump" announced that a spin-off miniseries, also authored by Kishimoto, would be released in 2015. The series, "", ran from April to July 2015. Beyond this, Kishimoto was also heavily involved with two canonical movies, "" and "", as he personally supervised both movies, and illustrated several light novels. When asked by Boruto Uzumaki's voice actress Yūko Sanpei to continue making "Naruto" movies, Kishimoto stated that he was taking a break and could not physically do so.
Naruto
Four guidebooks titled "First Official Data Book" through "Fourth Official Data Book" have been released; the first two cover Part I of the manga, and were released in 2002 and 2005; the third and fourth volumes appeared in 2008 and 2014 These books contain character profiles, Jutsu guides, and drafts by Kishimoto. For the anime, a series of guidebooks called "Naruto Anime Profiles" was released. These books contain information about the production of the anime episodes and explanations of the characters' designs. A manga fan book titled "Secret: Writings from the Warriors Official Fanbook" appeared in 2002, and another fan book was released to commemorate the series' 10th anniversary, including illustrations of Naruto Uzumaki by other manga artists, a novel, Kishimoto's one-shot titled "Karakuri," and an interview between Kishimoto and Yoshihiro Togashi.