"Marceline?" "Yes Bonnibel?" "Will you always be here to keep me safe?" Marceline smiled and floated over to Bonnibel, "Always." "Really?" "Until the day I die." She grins, "and IF that day ever comes, I'll still find a way to protect you." "Promise?" "I promise." Bubbline, MxPB, Marblegum. -One Shot-