Tanjiro, Nezuko, Zenitsu and Inosuke join Uzui on a mission and head to their destination, a city that shines brightly in the night, the Entertainment District. Though Uzui's three wives have been infiltrating the Entertainment District to gather information about demons, Uzui has lost contact with them. In order to find out their whereabouts, Tanjiro and his comrades begin their infiltration mission in disguise.
I swear I'm going to become
the number one Oiran in Yoshiwara!
¡Seré la mejor oiran de Yoshiwara!
¡Voy a ser la oiran
número uno de Yoshiwara!
Eu vou me tornar a melhor 
cortesã de Yoshiwara!