Chapter one: Ayaka

What if Tanjiro was joined by two other girls? One, a beautiful demon slayer, the only one to use Moon Breathing. And the other, A half demon girl on a quest to kill the one who made her, and all of her kind, what they were.

But what happens when the Moon breather, who's Tanjiro's adopted sister, catches the eye of the Demon King?

WARNING: Rated mature for several mentions of blood and Gore.