Naruto: Shadows of the Nine-Tails

In an alternate timeline where Naruto befriends Kurama as a child and gains the power of both Yin and Yang Kurama, his destiny takes a dark and tragic turn. The story follows Naruto's gradual descent into darkness as the combined power of Kurama and his own feelings of abandonment twist his soul. As he becomes consumed by rage, a once-beloved hero turns into a powerful and malevolent force that threatens to destroy the very world he once vowed to protect.