Tanjiro encounters Mist Hashira Muichiro Tokito and Kotetsu, a boy from the village, arguing. Muichiro is demanding that a "certain key" be handed over to him from Kotetsu. Being unable to look on in silence, Tanjiro intervenes to speak on behalf of Kotetsu, however Muichiro refuses to listen. According to Kotetsu, the key is used to operate a battle-type Mechanical Doll, Yoriichi Type Zero, that mimics the movement of a certain real-life swordsman...
I saw that man in a dream!
!رأيتُ ذلك الرّجل في حلم
Ich hab diesen Mann im Traum gesehen!
¡Yo soñé con ese espadachín!
¡Vi a ese hombre en un sueño!
J’avais vu cet homme en rêve !
मैंने उस आदमी को सपने में देखा था!
Ho visto quel tipo in sogno!
Eu vi aquele homem em um sonho!