Stand User in Marvel Universe - Chapter 14

Once she crossed through, she actually became the disfavored third WangFei?

Su Bai, a novelist from Earth accidentally fell from the top of a cliff.When he woke up, he realised he had already transmigrated to another world. Furthermore, this was not just any world. It was a primitive other world with Humanoids.With his Daily Assistance System and extensive knowledge from modem society, some of which he learnt from being an author, he led his primitive Tribe out of poverty. There, little by little, he started to transform the era, to advance it forward!Uncovering mysterious of Shamans! Meeting more beast eared women! Farming!

As a promise, he went out into the world as an assassin. 3 years later, after becoming the Supreme Assassin, he gave up on everything he had and returned to the ranks of ordinary people. But one day, Kismet, a mystical game created by the National Research and Development had appeared.

Shu Yu transmigrated and became the original novel’s violent and brutal female Demon that caused the supporting male character, AKA hidden Boss, to become batsh*t crazy. However, right now, the Boss is just a lowly slave that was just given to her. What should she do?

- Description from Novelupdates