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...
One more time, and it's going to break down!
!ستتكسّر إن تمّ تشغيلها ولو مرّة واحدة أخرى
Noch ein Kampf und sie geht kaputt!
Se romperá si lo usan una vez más.
Si se usa una sola vez más, se romperá.
Il est sur le point de se casser !
एक और बार किया, तो वह टूट जाएगी!
Con la prossima attivazione si romperà di sicuro!
Mais uma vez e vai quebrar!
Ещё бой — и кукла сломается!