Sankira Uchiha's life was shrouded in secrecy from the moment he was born. Unbeknownst to the world, he carried the burden of the Ten-Tails within him, a consequence of a surprise attack orchestrated by henchmen of the formidable Isshiki.
To protect him, Sasuke Uchiha, his father, made the tough decision to send Sankira away to the Rock Village. He recognized the danger that Sankira's existence posed and took drastic measures to ensure his son's safety. Sasuke utilized his powerful Sharingan abilities to manipulate the memories of everyone present during that fateful day, erasing any knowledge of Sankira's identity and his connection to the Uchiha and Haruno bloodlines. It was necessary to keep his blood safe from those who sought to exploit him.
At the tender age of three, Sankira was marred by the heartbreaking reality of abuse in the confines of the Rock Village, the same hideout that should have provided safety and protection. Betrayed by those who had pledged to safeguard him on behalf of his father, he found himself cast out into a harsh and unforgiving world. Sankira wandered through the shinobi realm for five years, living a nomadic life without a proper home. His existence was filled with loneliness and hardship as he struggled to find his place. However, fate had other plans for Sankira.
In a twist of destiny, Sankira came back to the village of Konoha, the very place where he had been born and sealed with the vicious beast. There, he encountered no other than Boruto Uzumaki, the son of the Seventh Hokage, Naruto Uzumaki. Boruto, a compassionate and empathetic soul, felt an immediate connection with Sankira and took him under his wing.
The Uzumaki household became Sankira's newfound sanctuary. Surrounded by warmth, love, and acceptance, he finally experienced the sense of belonging he had always yearned for. Sankira found a kindred spirit among the Uzumaki in Himawari, Boruto's younger sister. Sankira and Hima's bond transcended that of mere caring. It resembled their souls connected by an unbreakable bridge of understanding and affection.
Recognizing the importance of family, Boruto's parents, Naruto and Hinata, decided to adopt Sankira officially. With this new chapter in his life, he took on the name Uzumaki Sankira, signifying his new identity and the love bestowed upon him by his adoptive family.
As he grew older, Sankira began attending the Ninja Academy in Konoha. True to his lineage, he possessed the captivating Uchiha charm and the quick-thinking mind reminiscent of his father, Sasuke. Combined with his mother's striking green eyes, Sankira became a household name among his peers, attracting the attention of many kunoichis who admired his talent and charisma.