Maou-sama no Machizukuri! ~Saikyou no Danjon wa Kindai Toshi~ - Volume 9 Chapter 5

Ben was having the worst day of his life—then he died. But instead of moving on to whatever comes next, he woke up in the Wizarding World as Benedict Brown, the alternate male version of Lavender Brown. Which is... concerning, because Lavender Brown did not have a great time during the Second Wizarding War.On the bright side, he’s apparently the Dovahkiin. And he has a Skyrim shop system. So, you know, pros and cons.Can he survive Hogwarts, Death Eaters, and whatever else this world throws at him? Or will he end up as werewolf chow just like Lavender? One thing’s for sure—he’s going to loot everything that isn’t nailed down.

Crossing into the world of Naruto, and acquiring the One Piece system, with all the powers of the world of One Piece, swordsmanship, devil fruit, domineering.

-Do you think that your fire is very powerful? I have the burning fruit.

-Do you think that your thunder is very powerful? I have a thundering fruit.

-Do you think that your otter is very powerful? I have the frozen fruit.

-Did you said you want to die? Don’t worry, I also have a nickname: Death Doctor.

- Description from Novelupdates

As the number one pill alchemist of the immortal world, Mu Chen had always believed that it was because he had single-mindedly focused on concocting pills that led to him to neglect disciplining his disciple. Which in turn, caused his disciple to be led astray by the seduction of devil cultivation, leading to the three realms to fall to disaster. After his rebirth, Mu Chen resolved to properly teach his disciple, give him the very best resources, earnestly love him, carry him close to his heart, teach him by way of example, and didn’t let him grow corrupt.

Sure enough, his disciple became more and more “intimate”. Every day his disciple even crawled into his bed, rubbing against his chest and clinging to his thigh. It was just that his expression isn’t exactly quite right……

- Description from novelupdates

Before her rebirth, Wei Luo was an innocent little girl.