Prologue

What happens when Frisk tries to get the best possible ending where everyone is saved, including Asriel, but to do this, she must give up half her soul for him to live and in turn she got half his soul turning her into a goat-like boss monster like her new brother. How will she cope with not only her new appearance but also her newfound magic

This story is from Frisk's prospective

I don't own Undertale credit goes to TobyFox and same to the artist for the cover