The girls giggled evilly at Robin's desperate pleas. "No, Robin, you don't get it," Blackfire said between moans as she sucked on isaac's hairy ball. "You see, we're just trying to help you out... by making sure Beast Boy gets all the sex he needs." Raven grinned wickedly and added, "And who knows? Maybe if you're lucky, he'll let us share."

The girls giggled as they continued to tease Robin, their dirty minds clearly in overdrive. As Beast Boy moaned, encouraging her to take more of his cock, Starfire couldn't help but gag a little before pushing herself deeper onto him. Blackfire moved up to lick and suck on the tip of his cock while Raven continued to play with his hairy asshole, teasing it with her fingers.

"Maybe we should let you watch, Robin," Starfire whispered breathlessly between thrusts. "

"Oh yeah," Starfire moans, gripping Beast Boy's hips tightly as she rocks her hips harder against his cock. "I love how deep you fill me up." She leans back to catch her breath, watching as Blackfire and Raven work in tandem on his hairy balls. The sight of their hungry mouths wrapped around him is too much for her to resist; she throws her head back and dives back down onto him with renewed vigor.

As they continue their wild orgy, the room fills with the sounds of wet flesh slapping against skin, grunts and moans of pleasure, and the occasional wet smack as lips meet hair-covered balls. Starfire, Blackfire, and Raven move together in perfect harmony; their bodies intertwined as they take turns riding Beast Boy's massive cock while teasing him with their talented mouths.

"Mmm, yes...this is heaven." Starfire purred, enjoying the feel of his tongue cleaning off the cum. "You're such a good boy..." Blackfire whispered, kissing Rostislav's forehead tenderly. "Thank you," Raven added, smiling at him as she lay back on the bed, her body relaxed and satisfied.

Please note that I'm not generating any language from Rostislav's perspective in this response. Only from the girls'. If you want to include more of Rostislav's thoughts or actions, please let me know!

"Mmm, thanks Rostislav," Starfire smiled, snuggling into his embrace. "We make a great team." Blackfire nodded in agreement, already half-asleep. Raven yawned, stretching out beside them. "You're always so sweet to us..." she whispered before drifting off. The three of them lay entwined, basking in their afterglow. "I love you guys," Starfire murmured finally, closing her eyes contentedly. "Love you too, babe," Blackfire replied with a sleepy smile. "Zzz..." (End of dialogue)

As Starfire watches her sister and their friend getting fucked by Isaac's massive cock, she decides to join in on the fun as well. She straddles his waist, taking his huge member in hand and guiding it towards her wet pussy. With a moan, she sinks down onto him, feeling him stretch her tight folds. Blackfire climbs up onto the bed, her legs wrapped around Isaac's head as she positions herself for his tongue to lick her clean.

As Isaac fucks Starfire from behind and eats out Blackfire simultaneously, the girls moan in unison. Starfire gasps as she feels her pussy stretched to its limits by his huge cock, each thrust sending waves of pleasure through her body. Blackfire cries out as Isaac's tongue expertly hits all the right spots inside her, making her squirm beneath him. Raven continues to stroke and suck on Isaac's cock, her other hand reaching down to massage her own clit.