Naruto: Becoming Sasuke’s biological sister at the beginning

In Naruto: Becoming Sasuke's Biological Sister at the Beginning, Hikari Uchiha, sister to Sasuke and Itachi, grapples with the devastation of her family's massacre. As she confronts a mysterious masked man on that fateful night, she unlocks the power of the Mangekyō Sharingan. With her parents' deaths haunting her, Hikari's journey from innocence to darkness challenges her quest for peace in a world engulfed in chaos.