I'm an Ordinary Returning Student at the Academy - Chapter 187

Corrupted System Activating…Host: ZaneAge: 0/20Cultivation: NoneSkill: NoneMission: Find Missing System Parts Reward: Voice Feature and More—————Zane, once a ruthless mafia boss, met his end through poison. But when he opened his eyes again, he found himself reborn, with a broken system and a cruel fate. He had only 20 years to live.Before he could even process his situation, his beautiful sexy mother abandoned him. As if that wasn’t enough, he was thrown into the middle of a deadly desert, left to starve or be devoured by the monsters lurking beneath the sands.Abandoned, Betrayed, powerless will Zane be able to survive, uncover the truth, and reclaim what was stolen from him?—————Here are some additional tags:- Reincarnation- Corrupted System- Betrayal- Sect Building- Monsters & Beasts- Scheming MC- Overpowered Potential- Cruel World- Revenge- Beautiful Step Sister- Body Refining- Hidden Bloodline...

Perhaps it is the choice of fate. As a senior otaku, Qian Lingfeng got the “steel shell system”. However, when he swept the world with the system, became a local rich man, made all kinds of beautiful women, opened a harem, and realized the ultimate fantasy of thousands of otaku, he found that things seemed far from simple!
When the end comes, biochemical zombies suddenly come down, fierce beasts are in power, bloodthirsty zerg roam to kill the world, and human lives are comparable to dirt. Where will weak human beings go in this world? Is humanity going to be extinct? Or … can an otaku save the fate of the human race?

- Description from Novelupdates

A man is reborn into the world of Avatar: The Last Air Bender as a waterbender from Katara's tribe. Best of all, he was the same age as her, and he had a system with him to help.He knows the future and a system that lets him continuously get stronger by completing quests or long-term missions, as well as giving him the ability to copy abilities from others for himself. He will become invincible in the world of Avatar, even more so than the Avatar himself.

She is a descendant of an Ancient Chinese Aristocratic family. Having just transmigrated into a young lady’s body filled with aphrodisiacs, she had no choice but to pounce at a random man upon arrival.