KO One: I Have a Few Too Many Golden Fingers

System-driven story. The protagonist has no romantic pairing, but there is a heroine: Xia Mei.

[KO One 1 → KO One Family → The X-Family, with a brief crossover with KO One 2 in between → KO One 3]

Ye Fan transmigrates into the Ultimate universe and binds himself to the Ultimate Disciple-Acquisition System. But he never expected that binding to one System would come with three subsidiary Systems. So Ye Fan begins his journey of taking on disciples, signing in, checking in, and growing stronger...

After the war between good and evil in the Iron Dimension ends, all the superpowered fighters return. They spend several years recovering, then, dissatisfied with the strict controls imposed by ordinary people, ultimately choose to go to war against them. The battle lasts for many years, ending in a crushing defeat for the superpowered fighters due to their inferior numbers. The Demon Realm takes advantage of the situation and invades the Iron Dimension. Without the protection of the White Path superpowered fighters, the Iron Dimension soon falls. The few superpowered fighters left after the war against ordinary people choose to seek refuge in the Golden Dimension. On the way there, Xia Mei is caught in a spacetime quake that drops her into the cracks between dimensions. There, she learns the entire plot of the Ultimate series. After who knows how long, Xia Mei finishes watching the ending of The X-Dormitory again, and her desire to go back and change it reaches its peak. By chance, she is bound to the Ultimate Plot System, which takes her back to ten years before the story begins…