The Yandere System in the World of Cultivation - Chapter 16 The Dual Cultivator

Reborn into the world of Yugioh, it's natural if my goal is to become the best duelist!

Is a flower demon with three hundred years of cultivation.

Shao Zi’s biggest wish is to beat up that egghead Scholar (shu sheng) that always comes to water plants at noon.

But when she got close and rubs her hands in preparation for action, she realizes that she’s clearly playing along to someone’s rhythm ah!

- Description from Novelupdates

A ritual gone wrong gave him the world's deadliest Class—now all he wants is blood.Zeth stole the most powerful ritual magic in the world from a mad cultist. A Class that's fueled by the blood of his enemies and human sacrifice. One that's illegal to use, punishable by gruesome death. And now that he has it, he's faced with a choice: hide away for the rest of his life from those who would hunt him down, or embrace the power, becoming the hunter to get revenge on the murderer that stole his friends' lives.For Zeth, that's no choice at all.His enemies have to die. And he plans to use every drop of blood, eldritch ritual, and demonic summoning he can to kill them.

After picking up a phone on the streets, Feng Yuchen was sent to the world of High School of the Dead. He, along with 100 people, have to travel through various worlds, fight and solve quests in order to survive.

Whoever dies in that world, would be teleported back to the real world without memories of what happened before and die in an accident one year later.

- Description from Novelupdates