Ivy waited in the common room with the patience of a stone. Most of the other girls were home for the long weekend, but she knew all too well that Serena was still around. Meaning that all she needed to do was bide her time, and sooner or later she was going to get her chance at that bitch. She didn't care how long it took. She wasn't going anywhere.
Around nine o'clock, she finally got that chance. Serena wandered into the common room, not even noticing Ivy from her spot in the study alcove next to the door. She watched Serena pad across the room in bare feet, her olive skin seeming slightly darker against the light carpet, as she went over to the microwave and popped some popcorn. Ivy kept still and hidden, waiting to spring her trap.
It wasn't until Serena settled onto the couch, her back to Ivy so that only her long dark hair was visible over the couch cushions, that Ivy made her move. She swiftly sprang to her feet and closed the common room door, wedging it shut with a chair so they wouldn't be interrupted. And so that Serena couldn't escape. Serena turned at the noise, and her dark brown eyes widened as she saw Ivy standing by the now closed door.
"Oh!" she said, affecting a pose of mock relief that didn't fool Ivy for a second. "You startled me, Ivy. I keep forgetting anyone else is here." She looked down at the bowl in her hand. "Popcorn?" she asked, holding it out.
Ivy glared at her with a mix of incredulity and fury, her bright blue eyes narrowed to slits. "You really think it worked, don't you?" she asked at last, her voice icy with carefully controlled anger. "You really think that I forgot it all."
She saw it then, the look of terror in Serena's eyes as the other girl stammered out her denial. "I-I don't know what you're talking about, Ivy. I-I mean, you-I mean I don't know what you're talking about. Forgot what?"
Ivy pulled out the pendant, then. A faceted sphere of violet glass, refracting the light into rainbow prisms at every edge and every corner, dangling from a silver chain. "You left it in my room," she said. "Left in a hurry, did we? Maybe you thought the RA was coming to see what all the noise was, or maybe the guilt just got to you. But you left it in my room. In the bed. And the second I saw it, I remembered everything."
Serena tried to keep her voice smooth and calm, but Ivy could tell she was rattled. "I think you might be confused," she said. "You probably had a silly, sleepy dream, that's all. You just fell deep asleep, and-"
"It's not going to work this time," Ivy said, taking a menacing step closer to the couch. "You got me with that hypnosis crap once, when I wasn't expecting it, but I know all your tricks now. I'm ready for you." She grinned wickedly. "The question is...are you ready for me?"
Serena looked confused. She got to her feet, crouched defensively and prepared to run at a moment's notice. "I don't understand, Ivy. What-what are you talking about? What are you going to do?"
Ivy held the pendant up at just above eye level. The same way that Serena did the other night, when she visited Ivy's room. "I'm going to pay you back in kind," she said, her voice filled with icy menace. "You want to play games with hypnosis? You want to turn someone into your lesbian sex toy? Fine." She advanced, giving the pendant a tiny flick of the wrist to set it into motion. "Let's see how you like it."
Serena backed away as Ivy moved in, but Ivy had chosen her ambush too well. There was only so much room she could retreat before her back hit the wall of the common room with a sharp thud. The impact clearly startled Serena-she was already staring at the crystal so closely that she clearly wasn't paying attention to where she was. Ivy's grin widened. This was going to be all too easy.
"And you know it's going to work, don't you, Serena?" Ivy said, matching her voice to Serena's earlier smooth, silky tones. "You remember all too well how easy it was to dangle the pendant in front of my eyes and tell me to watch each glimmering facet as it spun, and danced, and swayed."
Serena shook her head silently, her face betraying her helpless terror, but Ivy was relentless. "You remember telling me to relax and focus on the crystal, letting everything else fade away, letting the dazzling, spinning pendant become the center of my attention as I let go of all my thoughts and listened. You're listening now, aren't you, Serena?"
Serena slid along the wall, trying desperately to find a way to get around Ivy, but Ivy had planned this perfectly. She maneuvered Serena into the corner, steering her with the pendant until Serena had nowhere to retreat to. Then she closed in, holding the pendant just over Serena's head so that the other girl had to look up to see it. And she did look up. Ivy felt a surge of heat in her pussy at the sight. Serena's gaze was locked helplessly onto Ivy's pendant, just like Ivy had been lost in its power when Serena held it.
Ivy was going to enjoy this.
"Deeper and deeper, Serena," Ivy said, as Serena's eyes rolled back in her head and her eyelids fluttered with the strain of keeping them open. "You know how easy it is, because you saw me do it. You made me do it. You know that you're going into a deep, obedient trance where all of my instructions sink into your sleepy mind, and you do what you're told like a good girl."
"...good girl," Serena whispered softly, her eyes now open only a fraction of an inch. Her nipples stood out stiffly under her thin shirt, and her mouth hung open as she slowly sank down the wall to her knees. A tiny trickle of drool escaped from her lips.
"That's right," Ivy said, brushing her hand down Serena's face and watching in satisfaction as the other girl's eyelids finally gave up the struggle and closed. "Deep and helpless for me, just like I was deep and helpless for you. And you remember what you made me do next, don't you?"