Demon slayer is a Japanese manga series
The series written and illustrated by Koyoharu Gotouge. It follows teenage Tanjiro Kamado,
who strives to become a demon slayer after his family was slaughtered.
In the story his younger sister, Nezuko, turned into a demon.
It was serialized in Shueisha's shōnen manga magazine Weekly Shōnen Jump from Feb 2016 to May 2020
The series also published in English by Viz Media
We do know some key aspects of the upcoming episodes,
The first trailer also gave us a glimpse at the fearsome villains that our heroes will face next in the show too.