Sharingan Starting from Ashina

In the world of Sekiro, one year before the main plot began, in Ashina City, a soul from another world traveled through time to a young man named Uchiha Suke. For food and water, and in order to continue to become stronger and gain the ability to protect himself, he chose to join the Wei Mingzhong, learn from the Wei Mingren, and defend Wei Ming City... What kind of waves will he make here? This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.