Hiruko

* Based on a suspense sci-fi manga by Tanaka Yasuki. Upon hearing of Ushio's death, Shinpei returns to his hometown of Wakayama City on Hitogashima and reunites with his childhood friend's family. The funeral goes smoothly, but under the surface something strange is brewing on the island. What mysteries await him on this secluded summer island? Source: Manga Plus

Ninjas with bloodline limits begin disappearing in all the countries and blame points toward the fire nation. By Tsunade's order, Kakashi is sacrificed to prevent an all out war. After inheriting charms left by Kakashi, Naruto fights through friends and foes to prevent his death while changing the minds of those who've inherited the will of fire. Source: ANN