The start

Upon returning to his house on the mountain one day, Tanjiro is devastated to find his family massacred. Going further he finds a man with blood red eyes, clad in a white suit towering over his family. The man turned him into something..... He didn't belong.

Encountering a human on one of his hunts he feels different. But will the demon king allow it?

"....Father....please... help"

Boy x Boy
Not a canon
Read at your own risk