NOVEL NEXT Chapter 12: Naruto: Sakura's Inner Sukuna
-Reincarnated as Sakura, but the real Sukuna with her Inner.
-Cursed and Reverse Cursed Energy are present for Sukuna and leak into Sakura. They are similar to Yin chakra, but also different.
-Sukuna is cocky but realises that the ninja world is on a different level altogether. He realises that Sharingan is a hard counter to him. So he starts making plan to possess Sasuke's body.
-in fight against Orochimaru, Sakura switches with the 20 fingers Sukuna. He gets speed blitz by Orochimaru easily and Orochimaru spares Sakuna because he is interested in the power. So, he places a cursed mark, and kidnaps Sakura to study the strange energy.
-Sasuke goes to Orochimaru, and meets with Sakura who is chained up as a lab rat.
But he feigns that he doesn't care, and trains under Orochimaru to one day kill him and free Sakura.
-Orochimaru breaks the seal between Sukuna and Sakura, so now Sukuna has access to Sakura's past life memories instead of just being able to see her past life.
So now, knowing that taking over Sasuke will be almost next to impossible, he decides that he will take over Hinata to awaken Tenseigan.
-Develop the story as you like from here. SasuSaku will be the best, since Sasuke can easily subdue Sukuna within her with Sharingan.