"Tanjiro.. if you want to save your big sister Nezuko, become one of us." The man in front of him mused as he lifted his chin up with the tip of his finger. The only thing he could do in that moment was nod as his body began to shake in fear at the anticipation of what this demon would do to him. "Goodbye Tanjiro." He whispered under his breath, touching the boy's forehead. After he chanted a incantation, the red-headed boy feel unconscious, resting in the demon's arms. Nobody would ever know that that same boy would never return. Neither as himself, or as a human.

Tanjirou becomes a demon and is taken away by Muzan while an enraged Nezuko becomes a demon slayer.

[ discontinued ] Tanjiro went to sell charcoal for family and came late because he also help some people. A man offers tanjiro to stay the night but tanjiro smells a strange smell from home. Tanjiro goes home fast and finds a man who calls him self " muzan kibutsuji " The man tells tanjiro to become his Oni in order to save his family. Tanjiro accepts and becomes a demon What will happen to tanjiro next?