Riyan Gaiden

thumb|264px|left|Opening for this mini-arc. The Riyan Gaiden (リやんガいでん, Ryan Sidestory) is a three part trilogy that takes place in the early years of Riyan Uchiha's life: almost a decade before Naruto and Naruto: Shippuden.

The story surrounds a twelve-year old Riyan Uchiha, who is a Chunin in the ending periods of the Third Great Shinobi War. It gives readers a glimpse into the famous Yonkou's past and childhood, as well as providing an answer as to how he obtains his Mangekyo Sharingan and his trademark scar. It also shows us how he meets the other three, soon to be, Yonkou. thumb|264px||right|The ending for this mini-arc.

Parts in the Gaiden

 * Riyan Gaiden Part I: Painful Beginnings
 * Riyan Gaiden Part II: Family Ties
 * Riyan Gaiden Part III: The Yonkou

Trivia

 * This Gaiden is unintentionally similar to the Kakashi Gaiden of the canon in four ways:
 * In both stories, the protagonist gets a scar that would be a trademark for them.
 * In both stories, the protagonist gains a new eye power; both related to the Sharingan.
 * In both stories, the protagonist loses someone that they care about greatly.
 * Lastly, both storied take place at different times in the Third Great Shinobi War.