Potaatoo

Keith, a regular office worker from Earth, suddenly transmigrates to the world of the novel he had been reading for the past decade. The new world, which was also called Earth,  was slightly different. 

People with various powers existed who were called awakeners, making this world comparatively dangerous and also mysterious. While he was thrown into the novel's world, he was also given a mystical ability to grant systems to other people. 

Armed with his special ability, he slowly climbs up the power ladder by taking "taxes" from the people he would give systems to. The only question that remained, was what would a realistic normal man, when faced with a similar minded protagonist, do when their goals opposed each other.

God of Systems: Maker of Heroes and Villains

Meanwhile, somewhere in Seraphina's divine palace.

Emma was silently resting with her eyes closed until she sensed a foreign presence, a presence that was familiar but fairly different too.

'Keith?' she thought and opened her eyes to see Seraphina running out of her small house. The two of them turned to look in the direction at which they felt the presence.

As if on cue, two extremely familiar people appeared out of thin air.

"Wha?" Emma blurted out as she saw herself and Keith standing side by side. Both of them wore completely black clothes while her "clone" had some extremely revealing clothes on which embarrassed her even though she herself wasn't wearing it.

She stared at them with a frown on her face, but before she could ask or say something, the Keith in front of her spoke.

Clones, But Different