MTL - I Can Level Up By Staying Idle - Chapter 187 would be wrong

Shao Xuan joins a friend in his expedition to a recently discovered archaeological cave. After he picks up an ordinary looking stone he is teleported to a different world and wakes up in the body of a small orphan child. The world he is in now is still in its stone age with primitive tools made of stone and the ways of the people are savage. Savage isn’t the only thing special about the people though, because they have superhuman strength, jump higher than trees and punch stones. In short, they are able to cultivate their bodies. Despite all this, it is a real struggle to survive because of the scarcity of food. Together with Caesar, his pet wolf, he tries to survive in this cruel world.

- Description from novelupdates

Lin Xinyan was set up a one-night stand trade with a stranger man to get the medical treatment fee to save her mother. That night took her virginity and got her pregnant. Lin Xinyan never touched her husband-Zong Jinhao, until one day she found out her crippled husband was involved with another woman. The woman met her and recognized that Lin Xinyan was the one that she set up for that one-night stand. When she knew Lin Xinyan was pregnant with Zong Jinhao's child, she tried to kill her and her baby with every means she could. But Lin Xinyan didn't know that the man who slept with her that night was her husband, nor did Zong Jinhao know the baby was his, until one day...

Do you know what it feels like to get shot in the face? A bullet straight to the face?

Yeah, it's a type of quick death where you wouldn't have to feel much pain, but I'm sure most people wouldn't love to die that way...

..But that's exactly how Aiden died. He was shot in the face by the leader of the gang he was in, and it was instant death for him. He joined a gang due to the troubles of life, the unfairness of life, and that's what caused his death.

But that wasn't the end for Aiden. After meeting with the demi-gods and choosing a path, he passed through the cycle of reincarnation and was reborn as a baby into a world where superpowers exist...

..A world where your power element determines how far you'll go, a world where not everyone gets to possess an ability, a world where magical beasts exist.

Aiden would have to survive in this world, he'll have to become stronger to do that, he'll have to awaken an ability. Luckily for him, he was granted something no one else possesses...

[ Ding! Ding!]

[ You've been granted the Undefeated System]

With this system, Aiden can become stronger by conquering females, by banging them. This was gonna be of big help to him, the Undefeated System was gonna take him far.

His journey begins...

Wu Lai was an ordinary high school student. One day he was struck by a flash of lightning from a different world, and suddenly entered a fantastic world full of magic and swords. Since then, he started a totally new life. In this supernatural world, he had his ups and downs, experienced numerous battles, subdued powerful evil beasts, and fell in love with a belle. His nickname “Demon King” was remembered throughout the ages there.

Stay or return was a question. In the face of this choice, Wu Lai, with the nostalgia and gratefulness for the original world, finally chose to stay…

Here was the legend of “Demon King”…

- Description from Novelupdates