As Princess Bubblegum knelt behind him, her nose brushing against the puckered skin of his ass, she felt a wave of desire course through her. Looking up at Marceline, whose moans grew louder as Isaac's thrusts became deeper and faster, she couldn't resist any longer. With trembling fingers, she parted his cheeks and pressed her lips against his smooth anus, gently sucking on the tight flesh.

Marceline's moans became louder as she felt the dual sensations of being pleasured by Isaac's enormous member and having her anal playfully teased by Princess Bubblegum's tongue. Her muscles tightened around him, urging him on while also signaling her own impending climax. "Oh god, yes!" she cried out, arching her back as she orgasmed powerfully around his cock.

M: Taking advantage of the distraction, Marceline reached down with her free hand to cup Princess Bubblegum's pussy, fingers finding their way inside as she continued to lap at her skin. "Oh fuck!" PB cried out, arching even further back as the pleasure overwhelmed her senses. She ground herself against Marceline's touch, desperate for release.

PB: "Marceline, I... I can't..."

M: "That's it, baby," Marceline purred into Princess Bubblegum's ear as she finger-fucked her with expert precision. "Let go. Let me take care of you." She increased the speed and force of her thrusts, driving PB closer to orgasm. The pink princess moaned uncontrollably, her body trembling with anticipation.

PB: "So good..." she managed between gasps for air. "Oh fuck... Marceline..."