Maybe we could be more(Bubbline)

Bonnibel and Marceline have been hanging out more than usual, like almost every day. They enjoy each others company and Marcy is starting to feel some stronger feelings, however, PB has never even been in a relationship let alone a gay one. However Marceline's advances are put on hold when a member of the royals is kidnapped by her very own twin brother and she's feels responsible.