The Martial Alliance’s Runaway

Out of nowhere, I fell into the martial world.
Branded as a heretic, I was beaten down and suffered like hell, until at last, I managed to take down the Heavenly Demon.
With the contract fulfilled, I thought I could finally return home—to the little sister waiting for me.
I even gave those righteous bastards a good earful of curses before making my grand escape.
That much was fine… but now they’re telling me I can’t go back?
F*ck…