![Sunny Side Up (Undertale Yellow AU) by Noelle_Holiday](https://img.wattpad.com/cover/364002200-512-k472946.jpg)
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Sunny Side Up (Undertale Yellow AU)by Noelle_Holiday
(MAJOR UNDERTALE YELLOW SPOILERS AHEAD, PARTICULARLY PACIFIST)
What if Ceroba had tested the serum on herself?
When Starlo finds Kanako distraught at his doorstep, sobbi...