Accepts Roussard's offer

Cynthia hangs up and gets back out of her car, climbing back up the stairs to Roussard's office. She opens the door, stepping inside.
"Roussard?" she calls out, "I'd like to take you up on your offer." There's a scrambling noise, and Roussard shuffles into view with a jacket wrapped around his waist to conceal his genitals - clearly he took his cum-filled pants and underwear off while she was gone. Cynthia struggles not to laugh as he blushes.
"Sorry about, uh," he gestures to the towel, "I thought you weren't coming back when you hung up without saying anything, and figured I'd better get cleaned up."
"I can wait out here while you get decent," Cynthia says. Roussard nods and closes the door, opening it a few moments later wearing a pair of sweatpants.
"My clothes are all at the cleaners," he says sheepishly as Cynthia walks back into his office. Does he actually live in this office? Cynthia wonders, taking a seat.

"Okay, Ms Michaelson-"
"Cynthia. Stop calling me Ms Michaelson," Cynthia interjects.
"Alright, Cynthia," Roussard starts again, "start from the top. What do you want me to do?" Cynthia does as he asks, explaining the whole situation with Mark and sparing no detail. She explains how she discovered his affair with Vanessa, how it had shocked her and made her feel so stupid for never suspecting anything, how the iCock app had installed itself on her phone and inspired her to take **** on Mark, how she'd planted the secret phone in Mark's first aid kit to control him from afar, how she'd listened from the next room as she made Mark repeatedly lose his erection before cumming prematurely at the pool party, how she'd then let herself be seduced by Vanessa and how confused she felt about her whole experience with Vanessa that day. Honestly, she isn't sure how relevant her feelings about having a sex with a woman are, but it feels good to be able to talk about this stuff without having to hide anything.
"As for what I want you to do," she continues, "well, as this whole thing had unfolded, I've realized that just _knowing _that Mark can't get it up when he's trying to cheat on me isn't enough - I want to see and hear, and I want to be able to sabotage them in more precise and frustrating ways. Private investigators do that, right? Spy on people having affairs?"
"I wouldn't really put it like that, but sure," Roussard says, "I just have to do it from a vantage point outside of wherever they're having sex - do you know where and when they usually do it?" Cynthia thinks.
"I don't know what's more common, but they were fucking at my house the first time I saw them, as you know, and Vanessa mentioned him coming over to her place in the morning one time, so he probably goes over there on his way to work sometimes." Roussard snaps his fingers.
"If they're fucking at your place, that's perfect. I can come over when he's not home and we'll set up some cameras and microphones. Them meeting at Vanessa's place, that's more difficult. What's her address?" he asks. Cynthia tells him, and he turns to his computer, searching.
"This place probably shouldn't be too difficult to photograph," he says, "but if you want to hear, I'd recommend you pay her a visit and plant one of these under her bed." He fishes around in a drawer, pulling out a device and handing it to Cynthia.
"You're going to have to show me how to do that," Cynthia says, "I don't really make a habit out of bugging my friends' houses."
"Of course. And in addition to the bugs, I'll keep an eye on those two," Roussard says, "so we can find out if there's anywhere else they're meeting up that isn't on our map yet. Oh, and before I forget, is phone call the best way to contact you?"
"That and texting, I guess."
"Alright, then save my number as something inconspicuous, and if anyone - Mark, Vanessa, whatever - gets suspicious, tell them I'm your new **** dealer," Roussard instructs.
"You say that like I have an old **** dealer that you're replacing," Cynthia says. Roussard shrugs.
"You've surprised me before," he says. Cynthia grins. She's never been someone who surprised anyone before.

"I guess we should talk about the other part of this arrangement," she says, playfully flirting, "What particular functions of the app would you like to experience?"
"You mentioned earlier, when you were explaining the situation to me, that there were a lot of functions of the app you hadn't explored because they didn't fit into your plan," he says, "Well, feel free to use me as your guinea pig. If something's not for me, I'll tell you to stop, but you seem like a smart person. I trust your judgement." Cynthia takes out her phone, an idea coming to her.
"You're happy for me to do whatever I want with your cock?" she asks. Roussard nods, clearly more than a little turned on. He's too near the desk for Cynthia to see his crotch, but she'd bet he's at least got a semi right now.
"So, if I were to press that same button I pressed before, the button that makes you cum, only this time I held it down for much, much longer..." she trails off, her finger poised over her phone.
"Whoa! Uh, maybe not that. Or, not right now? I'm open to it, but if I cum in these pants, I'm really not going to have anything to wear to the laundromat to pick up my clean clothes," he says hastily. Cynthia chuckles.
"Don't worry, I'm just messing with you," she says, "However... if you'd like me to control you right now, I'd be willing to give you a moment to prepare."
"Shit, really? Okay, uh, what should I do? I mean, should I turn around, or do you want to see it, or..." he trails off, looking to her for suggestion.
"Oh! I don't know, I guess turn around?" Part of Cynthia desperately wants to see, but there's a voice in her head telling her that dammit, she's a married woman, and she's not a slut, and she's certainly not the type of person who asks to see the penis of a guy she just met, regardless of whether or not she'd already made him cum once.
"Is this going to be messy?" Roussard asks, spinning around in his chair so that his back is turned to Cynthia.
"Telling you would ruin the surprise," Cynthia tells him, prompting Roussard to wriggle out of the sweatpants and toss them away without getting out of the chair. There's a moment of silent anticipation as Cynthia looks through the app, wondering what she's going to do to Roussard's cock.
"Whatever you're doing, it's made me really hard," Roussard comments. Cynthia laughs.
"I haven't even pressed anything yet," she informs him.
"Oh! Uh, never mind then," Roussard says, clearly embarrassed.
Cynthia can't help but giggle at Roussard's awkward eagerness as she continues to look through the app. Finally, she decides what she's going to do.