Yoriichi Type Zero is destroyed at the end of Tanjiro's training, but a sword from over 300 years ago appears from inside. Kotetsu gives Tanjiro the sword, however it is badly rusted. At that moment, Haganezuka appears and takes the sword with him to perform a grueling whetting process handed down within his family line. Meanwhile the presence of demons are inching closer to the village...
Well, isn't this fun and entertaining!
!أليس هذا ممتعًا ومثيرًا للاهتمام؟
Macht das Spaß! Einfach toll!
Qué experiencia
tan divertida y fascinante.
Qué divertido es esto.
Amusant, ça. Très intéressant !
यह बेहद मज़ेदार है!
Questo sì che è divertente! 
Davvero interessante!
Ora, isso está divertido e engraçado!
Вот так развлечение,
очень интересно!