Tanjiro, Zenitsu, Inosuke and Rengoku have fallen into a deep sleep while under the control of Enmu's Blood Demon Art. As Enmu attempts to use his accomplices to destroy the spiritual cores of Tanjiro and his companions in order to defeat them, Tanjiro realizes that he is inside a dream and searches for a way to wake up. In order to awaken from the dream, Tanjiro makes a decision to use his sword to cut into his own neck.
It's so easy
even an infant would understand.
Es muy sencillo.
Lo comprendería hasta un bebé.
Es tan sencillo
que lo entendería hasta un niño.
É uma coisa tão simples que 
até um bebê entenderia.