Flame Hashira Kyojuro Rengoku receives new orders: Travel to the Mugen Train, where over forty people have gone missing, and conduct an investigation.
Leaving the Demon Slayer Corps Headquarters, he sets off on this new mission.
You can leave that kind
of worrying to us adults.
De eso ya se preocuparán los adultos.
De eso ya se preocuparán los adultos.
Esse tipo de preocupação 
é para os adultos.