He became depressed after you died while giving birth to his child. He felt very guilty

He enveloped anger issues, he felt rage towards his own child and blamed him

“I wished you were dead instead of her”

You woke up into another body, seems like you worked as a babysitter at Gojo's place. You walk over at his house and knock on the door “What, you're the new babysitter?” he couldn't help but notice how you were similar to his wife, without knowing it was you