If you are looking for the full text, it is officially published in English by . You can find physical and digital versions at these retailers: Sakura Hiden on VIZ Media Digital editions at Amazon Sakura Hiden: Thoughts of Love, Riding Upon a Spring Breeze
If you are looking for the official story, it is available as part of the Naruto Novels series on Amazon and other major retailers. The Official Plot Summary The Mission sakura hiden pdf