yorozu is a jujutsu sorcerer from aizu during the heian era and she was very obsessed with a man named Mikey and he was her husband but he died in her arms since he was killed by sukuna and she wants to get sukuna to avenge her husband she loves dearly and she still wears her married ring even 1000 years later and she never incarnated but her husband did incarnated in a different body and she was brought back to life by kenjaku to fight in the culling games and this story is sad and emotional