Disclaimer: I don't own any of the used material. It's sole purpose is for entertainment and I'll remove the script if asked by any parties concerned.
Once the time machine was completely safe and tested to the fullest, everything would change for the better. From that point on, it should be childs play to overcome the boundries of humanity, to guide cumbersome evolution, to become god heralding life and forming earth the way it should have been. And once it was all done, it ultimately fell to her to denominate this new world of order and science like customs demanded. The name she had already decided uppon. But still, before this all-perfect and all-new world did come into fruition, there were tests to run, techniques to hone, data to emend, people to kill. In the name of science.
"Here, put this on." with that she handed him a seemingly new lab coat. Among all of her coworkers, eyebrows high, one asked the inevitable question:
"Why?"
"It seems fitting." was all her reply.
He just looked at it, then -with a sigh- folded the package open and slung the coat over his slender frame, slipping his arms through the sleeves in a seamless, noticable practised fashion. Some of the scientists around blinked at that. Not that she acknowledged them as such at all. In her mind, besides her, he was the only person in the whole facility worthy of the garment.
"What now, Kurisu? Do you bring me in for Jellymans report right away or do you intend to give me a tour of the base first?" he asked her, a slight tremble in his otherwise steady voice barely audible.
"You would like that, right, Okabe-kun? Why don't you simply tag along?" she stated, then started walking, a perplexed Okabe Rintarō, stumbling into place just a step behind her only a moment later.
One of her coworkers came into her path, arms crossed and ranting about proper procedure or lack thereof. With a simple gesture of her hand, the man paled and dropped to the floor, leaving red marks on the otherwise spotless tiles and multiple gunshots breaking the humming of the machines framing the walls. Okabe's eyes just trailed the body for a second, maybe two, before snapping up and fixing on her smile, face turned in his direction and eyes beaming at him.
"Let's go, Okabe-kun."
He had awoken next to her naked form, eyes observing him curiosly, a loving smile gracing her plush lips.
They made love again.
Then they have had egg, bacon and toasted bread for breakfast.
She went showering, he waited.
After exiting the shower, he was met by armed and armored men.
He was given a white shirt and white slippers.
And led away, her walking next to him.
Now she was really giving him a tour of the base - facility.. whatever. Okabe noted, that she seemed exited like a child presenting something to their friends, eyes shining and her voice sounding honestly happy with a tinge of pride, always hesitating just a second to observe his reactions before continuing. It was cute and he would have liked to see her like this in a different world-line. Preferable one, where he wouldn't die within hours at best.
"We are here..." Her voice was soft and carried sadness.
"Thank you, Okabe, for everything. I wish, there was a different way"
"There is, Kurisu! You don't have to do this! We can both go to a different world-line - we can be happy together! To Steins;Gate!" he was loud, trying to change her resolve one last time.
"No, Okabe. It is still a long way, but in time, this world-line will come to be Steins;Gate. I promise."
"No..." his reply was weak, somehow hallow and sad at the same time.
"I love you, Okabe-kun. I'm sorry." and with that she gestured the guards to take him away. An experiment had to be run, after all. Some tears escaped her eyes, falling on the clean, spotless tiles down below. Maybe under different circumstances, could she have taken him up on his offer. But she couldn't, not in this world-line anyway. But one thing was sure, she would never be with another man. Nobody equaled him.
The mother of timetravel - Kurisu Makise - was found dead in her apartment 4 month later, one day after proclaiming 'Steins;Gate' to the governement body ruling from the very start of time. She had hung herself, asphyxiating and consequently suffocating the fetus growing in her womb.
