Summary
I confessed my love for my master, and my junior brother reported me for it.
Master was disappointed enough to sentence me to five hundred years alone in the Frost Cave.
In the five-hundredth year, floating comments finally appeared before my eyes: they call me the heroine of a novel, and they insist that Master has been in love with me the entire time.
They also spoil how that novel ends, with me dying to re-seal the Demon Abyss.
So I stop waiting for a man who will never admit anything, start chasing the lucky encounters the comments keep hinting at, and set out to change the ending before it happens.