The next day, as the sun was barely beginning to rise, Emma felt her phone vibrate on the nightstand. She reached out and read Alex's message: "It's time to pay your rent. I'm in the living room, I'll watch TV at the same time."

Emma's heart tightened reading those words. The tension from the day before resurfaced. She had hoped that the night would bring solutions or at least some respite. But reality was there, clear and unyielding.

Leaving her bedroom, Emma forced herself to keep a neutral expression. She found Alex sitting in the living room, in front of the television, looking relaxed as if it were just another day. The contrast between his casual behavior and Emma's urgent situation was striking.

Alex greeted her with a smirk. "Good morning, Emma. Ready for your daily payment?"

Emma just managed a weak smile. "Good morning, Alex. Yes, I'm ready." She walked towards the living room table and saw that Alex's penis was already out.

"Before we start, I just wanted to remind you that the rent remains a priority. As long as you don't pay, I'll enjoy it to the fullest," Alex added with a friendly but firm tone.

Emma nodded, searching for words. "I understand. I will do my best to resolve this situation quickly."

"Not too quickly though," Alex replied with a smirk.

"Get to work, my beautiful, my dick isn't going to suck itself."

Without a word, she fell to her knees and began timidly running her tongue around his penis.

Alex moaned as Emma's tongue danced around the head of his penis, sending shivers down his spine. He grabbed a handful of her hair and brought her closer, whispering in her ear.

"You know what I like, Emma. I like it deep and wild."

Emma moaned around his penis, her eyes locked on his. She knew exactly what he wanted. With determination, Emma plunged her throat onto Alex's penis, taking it all in.

"Oh hell yes! If your boyfriend could see you right now..."

Alex's hands tightened around her beautiful red hair, his hips thrusting forward as he fucked her throat.

Emma gagged and choked, but she didn't stop. She wanted to make Alex come and she was ready to do whatever it took.

Alex's breathing became irregular as he neared his orgasm. At the moment of climax, he held Emma's head firmly as he sprayed her throat with his semen.

Emma swallowed every drop, tightening her thin lips around Alex's throbbing member. "Look at me!"

She opened her eyes, her gaze fixed on Alex's as he watched her devour his seed.

With the hand holding her hair firmly, he pulled her head back. Alex's dick, shiny with saliva, was exposed to the air, connected to Emma's mouth by what looked like a thin thread of spit or semen. With his other hand, Alex collected some semen from the corner of Emma's lips before shoving it back into her mouth.

By reflex, she sucked on Alex's fingers while closing her eyes, giving her an incredibly perverse look at that moment.

Then he let go of her hair, leaving her halfway collapsed on the floor. "That was perfect," Alex said, his voice hoarse.

Emma, coming back to reality, got up quickly, avoiding Alex's gaze. As she headed to her room, she passed by a mirror hanging on the hallway wall.

Her reflection stopped her dead. She saw herself, cheeks slightly flushed, hair a bit messy, semen at the corner of her lip, and eyes filled with great guilt. A wave of shame washed over her. She had acted impulsively, without thinking of the consequences of this deal. But now, the weight of her actions was very real, and it weighed heavily on her conscience.

Her mind immediately turned to Nathan. Nathan, with his gentle smiles, natural kindness, and sincere love for her. How could she do this to him? How could she pretend everything was fine when she had just betrayed him for the second time? Nathan must never know. The thought of him discovering the truth terrified her. She didn't want to lose him, didn't want to see that love crumble because of her own mistakes.

Yet, reality was there. Emma knew she had crossed a line that would be hard to retrace. She promised herself she would do everything in her power to settle her debt quickly and ensure Nathan never found out what was happening behind the doors of this apartment. She loved him too much to hurt him like this.

With a deep sigh, Emma walked away from the mirror and retreated to her room, hoping to find a way out of this dilemma without causing more harm.

--------

The next afternoon, as the sun filtered through her bedroom curtains, Emma received a message from Alex: "Can you come to my room to settle the rent today? I have an important work call and I need to be as relaxed as possible during this call ;)"

Reading those words, a knot formed in Emma's stomach. She knew exactly what this message implied. Yet, she got out of bed and headed towards Alex's room reluctantly.

When she entered, she found Alex sitting at his desk, his eyes fixed on his computer screen, headphones on. He was in a video conference, speaking with a very professional tone. With a simple hand gesture, he signaled her to approach quietly.

Emma advanced slowly, trying to be as discreet as possible. At her feet, her pants were lowered, a noticeable bulge on her boxers. Alex glanced at her from the corner of his eye, a mysterious smile on his face, and nodded towards the empty space under his desk. She knew what he expected from her, and it sent a shiver through her entire body.

Without a word, Emma placed her phone on the desk and slid underneath. Alex's mocking smile made her blush with shame. While grabbing his penis through his boxers, tracing her fingertips over the fabric, she thought of Nathan for a moment, and a wave of guilt washed over her. This betrayal disguised as an agreement gave her a bitter taste.

Alex's smile grew more pronounced, but his gaze remained fixed on the screen in front of him. Emma found herself caught between guilty thoughts of Nathan and the sight of Alex's dick growing.

This mode of payment had become much more than a simple way to offset the rent. It was a symbol of her betrayal, of the lie she upheld each time she crossed Alex's room door.

Alex's hand rested on the back of her head, pushing her to get to work. She gently pulled out his penis from his boxers, then Emma's lips delicately wrapped around his dick, her tongue teasing the head. Alex just had time to mute his microphone to let out a moan. Emma began small back-and-forth movements, her lips slick with saliva.

As she sucked him deeper, Emma felt a familiar heat rising within her. She wanted him, craved his taste and scent. She moaned around his cock, her own arousal enhanced by the taboo nature of their arrangement.

Alex's hand tightened in her hair, guiding her while she performed her skills. Emma gagged slightly as she tried to go deeper, her throat stretching to accommodate his full length. She felt his fingers curl in her hair, pulling her head back as he let out a deep, animalistic groan. "Slow down," he said, his voice hoarse. "I want this to last. I want to feel this during the entire call."

Emma's eyes widened as she realized what Alex was asking for. She nodded, taking a deep breath before resuming moving her mouth on his cock. This time, however, she was slower, taking her time to savor every inch of his arousal.

Alex's eyes closed as he leaned back in his chair, letting out a soft moan. He could feel Emma's tongue swirling around the head of his cock, sending shivers down his spine. He knew he was close, but he didn't want it to end just yet.

As Emma continued to pleasure him, Alex's mind began to wander. He imagined Emma, bent over and pressed against his desk, her hands firmly held behind her back, while he pounded into her. He could feel his heart racing as he imagined sinking into her.

However, his daydream was abruptly interrupted by a voice from his headphones. "Alex, are you there?" He jolted awake, straightening up in his chair. "Uh... yes, yes, sorry, I'm here. Could you repeat the question?" he said, reactivating his microphone, trying to mask his distraction. The rest of the video conference was a blur for Alex. He tried to stay focused, to respond coherently to questions, but his mind kept drifting back to what was happening under his desk. Each time he glanced down at Emma, seeing her submissive like that, doubled his pleasure.

The call lasted another good ten minutes, during which Alex struggled to keep his attention on the professional discussions. But Emma was far too skilled orally for him to concentrate fully. When the call finally ended, Alex removed his headphones with a sigh of relief.

He turned to Emma, who, despite the situation, had continued to suck him languidly. "Thank you for your... cooperation, Em," he said with a sly smile. "It's time to finish what you started."

As Emma resumed her fellatio with renewed vigor, hoping to finish quickly, the sudden sound of her phone ringing broke the silence of the room. She lifted her head, and her heart skipped a beat seeing "Nathan, my love" displayed on the screen. The phone was on Alex's desk, and before she could react, Alex had already picked it up.

"What are you doing?" she asked, her voice trembling, as her heart raced. With a wicked smile, Alex shot her a piercing look. "Don't worry, I won't betray you... if you continue your payment while I answer."

Before Emma could protest, Alex answered the phone in a casual tone, as if nothing was wrong. "Hey! Hi Nathan, how are you?" He took Emma's head with one hand and plunged it back into his crotch. Any protest or debate could have been heard by Nathan, so she succumbed and continued to suck.

On the other end, Nathan seemed confused. "Hey... uh... am I not on Emma's phone?"

"Yes, yes," Alex replied, his smile widening. "Emma just left her phone lying around, and she's currently busy cleaning." ("She's cleaning my dick, like a good little whore, and she's very thorough," he thought, amused)

While Alex spoke on the phone, Emma could hear Nathan's voice on the other end. She felt a knot form in her stomach. What was she doing? She stopped, frozen, unable to move, Alex's hard cock deep in her mouth. Her mind was consumed by growing panic.

"Oh, okay," said Nathan, a bit hesitant. "I'll call back later then."

Alex leaned slightly, his gaze fixed on Emma, savoring every second of his dominant position. "No, wait," he said, maintaining a light tone. "She'll be done soon, stay on the phone with me for a few minutes, and I'll pass her to you."

He muted the phone's microphone and turned to Emma, his wicked smile still present. "Get to work, slut," he ordered in a low, authoritative voice. "I want to cum in your mouth while I'm on the phone with your boyfriend."

Emma was torn, her heart aching painfully in her chest. The reality of the situation now hit her with terrifying clarity. It was unhealthy, toxic, and yet, she found herself trapped in this spiral she had helped create. Her hands were trembling, but she had no choice. She had to obey.

She resumed the task, her movements mechanical, while Alex continued to talk to Nathan, his cheerful tone cruelly contrasting with the situation. Emma felt tears welling up, but she fought them back, determined to keep control. She wondered how she had ended up here, how she was going to face Nathan after all this.

Alex, on the other hand, continued to juggle between the mundane conversation with Nathan and the control he exerted over Emma, savoring the domination he had over her at that very moment.

Emma felt Alex's hand tighten around her head, forcing her into a deep throat. She gagged slightly, but she knew that's what Alex wanted. She moaned softly, despite herself, her tongue swirling around the head while Nathan's voice continued in the background.

Emma could feel Alex's orgasm building, the tension in his voice increasing with each passing moment. She could hear his breath becoming irregular. Unconsciously, her hand had found her own entrance, and she was now touching herself. Suddenly, Alex's semen spurted into Emma's mouth, the texture and taste overwhelming her senses. She swallowed greedily, her lips tightening around Alex's cock as Nathan continued to speak. Alex's orgasm was so intense that semen escaped Emma's mouth and dripped down his cock. She reached her own orgasm, her moan fortunately muffled by Alex's cock.

For what seemed like an eternity, Emma continued to suck and lick Alex's dick to clean it thoroughly.

Alex, trying to keep a fluid conversation with Nathan without raising suspicion, managed to articulate after a few tense seconds of silence: "Ah, she just finished, let me pass her to you."

Those words struck Emma like a slap. She hadn't expected to face Nathan so soon, and a wave of panic engulfed her. But she had no choice. She straightened up, clothes rumpled, throat sore, and mouth tasting of semen, desperately trying to regain her composure.

Taking a deep breath, she took the phone Alex was handing her and, gathering all the energy she had left, managed to say in what she hoped was a cheerful voice, "Hello, my love, how's it going?"

She didn't hesitate and immediately turned her back to Alex, refusing to meet his gaze. With the phone to her ear, she rushed out of Alex's room, her heart pounding, and headed to her own room. She closed the door behind her carefully, as if that gesture could protect her from everything that had just happened.

On the other end, Nathan responded, his voice warm and full of affection, which only intensified the guilt gnawing at Emma from within. She forced a smile, even though Nathan couldn't see her, and tried to keep the conversation light, hiding behind each word the emotional turmoil that was shaking her.

Emma sank onto her bed, listening to Nathan talk about his day. She tried to focus on his words, but her mind was elsewhere, haunted by what she had just done and the intense pleasure she had experienced.

As she tried to respond to Nathan with the same sweetness and affection as usual, Emma wondered how long she could keep up this double life before everything fell apart around her.