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...
No, I wasn't that much help!
!لا، لا. لم أساعدك على الإطلاق
Nein, nein, das war doch gar nichts …
No, no fui de mucha utilidad.
No, si tampoco he hecho nada...
Inutile, je n’ai servi à rien…
नहीं, मैंने ज़्यादा मदद नहीं की!
Ma no, scusami tu per non esserti stato utile!
Não, eu não consegui ajudar muito.
Брось, я ничем не помог…