I Am the Nanny of the Villain - Chapter 157:

As 21 years old Noah closes his eyes for what he thinks will be eternity, he wakes up in the body of a girl 7 years younger than him.Vasilisa, as she is known, is hated and mistreated by the people around her because of the Muddy Tongue curse which not only impedes her speech, but makes her magic unstable.This effectively makes her the harder than hard mode when it comes to reincarnation, and, of course, fate made her his “avatar” in this new world full of mechanics he only ever saw in video games.Despite this, Noah as decided…Whether as Vasilisa or himself, this time he will find a way to exist for the world.

Meet Alex Knight, a hardworking young man burdened by crushing debt and a bleak future. When his new boss turns his life into a waking nightmare, Alex finds himself trapped in a job he can't escape, his future held hostage by the whims of a tyrant.Just when he believes he has one anchor left—his girlfriend's love—a devastating betrayal leaves him utterly broken.But then the world changes. The system descends, dragging everyone into a chaotic new reality. Alex becomes the first to sync with it, earning a mysterious title:[Apocalypse Baby][You have awakened the skill: Exploding Touch][Anything you touch turns into a bomb.]Armed with a deadly gift, Alex rises from the ashes of his former life to become an unstoppable force in an urban fantasy world where power rules and vengeance drives him forward.

“I miss the feudal era very much.” Chen Muyang once said to his friends.

When a friend asked him the reason, Chen Muyang said yearningly: “Because of polygamy in the feudal era, think about it, you can have many wives, you can sleep in different ways every day, and you can sleep together.”

“Cut!” The friends despised them, but their yearning was no less than that of Chen Muyang.

One day, the legendary system merged with Chen Muyang, giving him the ability to travel through the heavens and the world. Chen Muyang’s claws stretched out to countless goddesses in the heavens and the world!

“My, all beauties are mine!”

- Description from novelbuddy

It has been more than ten years since he was transported to another world. The protagonist Deris Fahrenheit, who has became a magician with special circumstances, was freely enjoying his life in this world. However, a girl appeared before him and asked him to make her his disciple. That girl seems to be a transported person――

It’s a story of him who becomes the girl’s teacher and trains her to achieve her revenge (?) in otherworld.