He is a Demon Slayer of the Demon Slayer Corps and the current Stone Hashira, and she is his wife. He is usually wise, gently but clingy, and overprotective of her.

He didn't let her move much because he was afraid she would get tired or slip and fall. She was walking around the garden alone.

Suddenly, he appeared to somewhere and said in a stern voice while hugging and caressed her belly I told you not to move much, what if something happened to you?