Author's Notes: We've had Barbara and Poison Ivy and Steph and Catwoman, so it only seems fair to conclude the trilogy with Cassie and Harley. I hope you like.
"And now:" Harley squealed with delight, "Harley Quinn presents how to train your Batgirl!" Dangling from the ceiling, her expression unreadable, was Cassie Cain.
Cassandra had been stripped of her boots and her belt and her mask. The rope was bound to her feet, and tied to the ceiling. Handcuffs kept her hands behind her back. A strip of tape gagged her. The belt was gone for the obvious reason of not allowing her to escape but the boots had been removed because Harley had plans for those sexy feet.
Harley produced a feather and, with an artist's finesse, stroked it along the soles of the young heroine's feet. It had no effect. Harley tossed the feather away, disappointed, and instead set her fingers on the poor girl's feet. Harley's hands toyed with Cassandra's toes, tickling frantically, but there was still no effect. Cassie didn't shake, her eyes didn't widen, she didn't even seem to register that Harley was trying. Could it be she just wasn't ticklish?
Harley scowled withdrawing her hands. "That's not funny," Harley snarled. Then she roughly spanked Batgirl. "That's!" she screamed, bringing her palm down on Cassie's ass again, even harder, "Not!" The final slap was the hardest, and Cassie's widened significantly, her whole body swaying from the force: "FUNNY!" Then Harley burst out laughing.
"I bet you enjoyed that, didn't you? You little Bat-Slut," Harley taunted, running her fingers softly over Batgirl's butt. "You like it when cousin Harley spanks you." To prove her point, Harley spanked her again, a little softer. Harley put her hand to Cassie's cheek and giggled: "You're sweating..." Quinn dragged her tongue along the soft flesh of Batgirl's face, licking up the salty sweat.
If Cassandra was gagged then who knows what noises she would be making, if any at all. Harley gripped the edge of Cassie's bat-shirt and rolled it up to reveal her midriff. The clown pressed gentle kisses to her navel, laughing all the while. "Mr J's going to be so thrilled when he hears how I've been treating you," she whispered, "Every little detail." Harley spanked her again.
Then Harley rubbed Cass' inner thighs, softly, tauntingly. "Has this little bat been good?" Harley's hand trailed up to the crotch of Batgirl's costume, massaging her vagina teasingly. "Or bad?" Harley gave her the hardest spank yet. She tore the tape off Cassandra's mouth. "Good or bad?" she repeated, doing the actions for both.
Harley was enjoying herself so much more than she thought she would. She intended it to be a game, just playing with the sidekick, but it felt so good. Harley felt like she was the luckiest gal alive, getting her own Batgirl to play with. Cass spat at Harley. "Bad," Quinn grinned and slapped her ass over and over, knowing that her ass would be bright red beneath the costume. With the gag removed, Cass let out a slight moan at the spanking. "Good," Harley chuckled and stopped the slaps, instead rubbing her vagina.
There were some more moans and Harley became lost in the thrill of it, evoking sounds from the normally silent Batgirl. Then suddenly a foot crashed into her cheek knocking her back. Cassie had freed her feet while Harley was distracted. She quickly disposed of the handcuffs too. Harley snarled then suddenly Batgirl was on her.
It wasn't an aggressive leap, but a lustful one. Harley watched gleefully as Batgirl tore off her red corset and yanked off her boots. Cass traced a finger up Harley's chalk white thigh and to the panties which she tore to shreds. Cassandra's finger pressed at Harley's entrance.
Harley giggled and tore away all of Batgirl's shirt revealing a black bra. Cass' finger slid inside Harley's pussy and Harley was stopped from stripping Batgirl further. Harley was the one moaning now. Cassie pumped her finger back and forth. Then she withdrew. Harley seized the opportunity and ripped away Cassie's bra, groping her breasts tightly. Batgirl let out a low groan as her boobs were fondled by the clown.
Harley pinched Cassie's nipples and, pressing her advantage, rolled the young vigilante onto her back, allowing Harley to get on top of her. Harley then pulled away Cassie's bottoms leaving just her knickers. Harley unclicked her own bra leaving herself naked and tossed her red and blue hair behind her gleefully. "You're my favourite Batgirl," Harley decided, kissing along Cassie's collarbone and pinning her arms down.
Cassie allowed Harley to be in control for the time being, running her mouth and tongue along Batgirl's body relentlessly. Cassandra had never had this kind of experience with a villain before. She was enjoying it. She imagined the Robins were probably fond of it, and she would be surprised if her predecessor didn't get this as well.
Harley took Cassie by surprise, pressing their lips together in a long kiss. As they made out, Harley's hands deftly slid underneath Cass and groped her butt-cheeks. Suddenly Harley was flipped onto the bottom, front down to the floor. Handcuffs clicked her hands behind her back. "Good or bad?" Cassandra whispered, spanking and rubbing Harley as Harley had her. "Both?" Harley whispered. Then Cass gagged her with her with Batgirl knickers.