Once, Simon and Marcy seemed to be the only people left on Earth after the horrors of the Mushroom War. But with Simon lost to the madness of the crown, Marceline is left to make her own way in the postapocalyptic landscape that will eventually become Ooo. There are other things out there however, like a strange girl who calls herself 'Princess Bubblegum'... (eventual Bubbline)

Emily becomes the newest resident in Halloweentown, where a case of missing limbs brings to her meet Sally. Rated for some gore, and Femslash! Sally/Emily