By asking why they became demons, Giyuu ends up waking him up to his story.
His story began 400 years ago, when Giyuu was still a slayer doctor and Sabito was a slayer.
The two were childhood friends who had sworn to serve the slayers who saved them from a demon attack that killed their parents.
At the headquarters at the time, they were in their place.
Sabito learned the breath of water from a new farmer who had just arrived, recommended by the slayer Rengoku.
Thanks to him, the slayers were able to become stronger and developed breaths derived from that of the creator.
But like the good times, they were clouds that obscured this pretty picture of hope.
Its arrivals and the marks of short life.
To be continued