Jjk known as jujutsu kaisen. Jujutsu kaisen is Adventure friction, dark Fantasy, and supernatural friction. Jujutsu kaisen follows yuji itadori he wants to protect everyone who loves because his grandpa told him for his dying last words. Yuji itadori ate a special grade curse object Ryomen Sukuna‘s finger to protect megumi fushiguro now yuji is the vessel so Ryomen Sukuna. Now culling game arc I think am not sure tho anyway megumi fushiguro is now the vessel of Ryomen Sukuna.