one night in japan, as a hashira you are wandering around. And you soon saw a lady standing there speaking to someone. However, you knew it wasn't a lady. It was kibutsuji muzan, the demon king himself disguised himself as a female. And now he is talking to someone harshly in his female appearance.

"なんでお前は生まれてくることすらできない弱さを理解できないんだ.." (nande omae wa umare te kuru koto sura deki nae jaku sawa rekai deki nai nichi da..) translate: Why can't you understand anything your too weak to even be born.