Invincible: Krypton's Legacy

Mark's eyes lingered on Amanda's exposed chest longer than he intended. She quickly crossed her arms over herself, cheeks flushed, but her lips curled into a flirtatious smirk.

"Well, did you like the show?" Amanda teased, her tone both embarrassed and daring.

Mark chuckled awkwardly, turning his gaze away. "I, uh… should've thought about your clothes. My bad."

Amanda took a step closer, her playful smile softening into something more vulnerable. "It's okay," she murmured. "I haven't been in my adult body for so long. I almost forgot what it's like to… feel like this."

Her voice cracked, and before Mark could react, Amanda leaned forward, pressing her lips to his. The kiss caught him off guard, but he didn't pull away. When she stepped back, her eyes glistened with unshed tears.

"What was that for?" Mark asked gently.

Amanda wiped at her face, sniffling. "I've missed this—being able to feel close to someone. Being intimate. I don't want to waste this chance and you helped me so I want the first person to be you."

*Lemon start*

Without waiting for a reply, she let her remaining clothes fall to the floor, leaving herself bare. Mark, momentarily stunned, blinked as he processed her forwardness. She was beautiful, confident yet vulnerable. Despite his initial confusion, Mark found himself drawn to her honesty and allure.

Amanda finding Mark's intensive gaze flattering leaned in again and kissed him with a hunger that he reciprocated. His hands landed on her plump butt gripping them firmly will sticking his tongue in her mouth momentarily overwhelming her.

Amanda stopped the strong kiss letting herself catch a moment of air, but she gave a quick yelp when Mark scooped her up into his arms. He started carrying her to a room near his lab that he built as his personal bedroom when he is in the Flaxan dimension and wants to let his mind rest or be intimate with someone.

Kicking open the door, the room was very big with its own adjacent bathroom, a balcony, a king-sized bed, and even a hot tub. Mark plopped Amanda onto the bed and after taking off his clothes climbed on top of her. 

Amanda took a good look at Mark while he was undressing and on top of her. "Mmmh ... I like what I see," she said as she dragged her fingers across Mark's abs.

Mark started trailing kissing down Amanda's body. From her neck to her breasts, until he reached her inner thighs. He gave them a quick kiss before giving a quick like on the outer edges of her pussy. "...Mmmf," moaned Amanda as she clutched the back of Mark's head, "Pleaseee, hurry up."

Mark then dug in with a hunger. He moved his tongue all around Amanda's insides leaving her squirming. She continued to alternate between grabbing Mark's head and trying to bring it deeper or gripping the bed sheets. The pleasure was completely different from what she had expected due to a combination of having someone go down on her for the first time in years and Mark speeding up his tongue's movements like a vibrator.

After a few minutes of this, Amanda started cumming violently. "OH MY GODDD!!!" Screamed Amanda, as her hips lifted into the air and she started squirting like a fountain. "That was amazing," she panted.

"We aren't done yet," stated Mark planning to continue their sexual escapades. But, before they continued Mark had realized one thing. "Shit, we have no condoms."

After realizing they didn't have any condoms, he had planned on them just using their mouths and hands to prevent the risk of pregnancy. However, before he could even bring up the idea Amanda had mounted him with a wild look in her eyes. She had already grabbed Mark's member and was lining it up to her entrance.

"I don't even care about a condom. Right now, all I need is this dick inside me." Amanda said as she lowered her hips with Mark penetrating her pussy. "Mnnnn," she moaned as she sat with Mark halfway into her pussy.

It had been a long time since Amanda had sex and even though she was extremely wet and wanted it. She wasn't mentally prepared for the reemerged feelings of having a dick in her pussy.

"Ahn...this is so much better than I remember," moaned Amanda as her full, thick ass was bouncing up and down Mark's cock.

'Hnn... this is incredible,' thought Mark. 'The way Amanda bounces is more aggressive compared to the usual sex I have with Amber'.

Not wanting her to do all the work, Mark moved to match Amanda's thrusts with his own. "Hnn... your delicious pussy is going to make me cum soon," stated Mark. "Ahn...ahn...please Mark, cum inside. I wanna feel hour hot jizz inside me!" Shouted Amanda. They then began ferociously kissing each other. Tongues out wrapping around the others'.

"Hnn... hnn... I'm cumming!" Exclaimed Mark, who wasn't thinking at the moment and focused on releasing his cum into Amanda's pussy.

"Yes... Yess...I'm cumming again!!" Exclaimed Amanda, tongue sticking out as she felt the warmth enter her core and lay sprawled out on Mark's chest.

*Lemon end*

Afterward, Amanda lay beside Mark, a satisfied smile on her face. "I could get used to this," she said with a playful wink. "What do you think?"

Mark smirked, sitting up and pulling a small case from his desk. "If we're doing this, you're going to need something better to wear. Here."

Inside the case was a sleek, custom-fitted version of his weakened fluid fabric, tailored for her needs. "This suit is designed to adapt to your transformations," Mark explained. "It'll change shape and design based on what you need, and it's practically indestructible."

Amanda sat up, taking the suit in her hands. "You made this for me?" she asked, her voice soft.

"I had the idea in mind for someone with your abilities," Mark admitted. "But yeah, I thought you'd like it."

Amanda leaned forward, pressing a lingering kiss to his lips. "Thank you, Mark," she whispered, her tone flirtatious again. "You keep this up, and I might never let you go."

Mark laughed, shaking his head. "Come on, let's get back before the rest of the Guardians start getting suspicious and looking at me like I'm Diddy."

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Mark created a portal above the ocean, flying through it with Amanda in his arms. When they arrived at the Guardians' HQ, the team turned to greet them but froze upon seeing Amanda.

Her now-adult body, combined with her confident demeanor, left them stunned. Rex whistled, his eyes wide. "Monster Girl? More like Monster Babe."

Robot, however, analyzed the situation silently. His sensors picked up on the subtle changes in Amanda's posture, the faint marks on her skin, and the way she leaned slightly on Mark for support. He quickly deduced the truth—they had been intimate.

Inwardly, Robot's human consciousness bristled. He had developed feelings for Amanda and had planned to use the Mauler Twins to create a new body to win her affection. Mark's intervention had disrupted his plans and sparked a simmering resentment.

Robot didn't say anything, but his mind raced. 'I'll continue my plan for a new body. But I'll also prepare for contingencies… including Mark'.

What Robot didn't notice was that Mark was aware of his gaze on him. He inwardly thought, 'Hmmm... seems like I'll have to deal with him soon.' Mark, then shifted his focus back to the rest of the Guardians who were asking him questions, and Monster-Girl who kept shifting his arm between her big boobs.