National School Prince Is A Girl - Chapter 1648

Emperor Ian Veroshion, the first noble mage, was betrayed and executed. Cursed to never be reborn, he awakens a century later as the illegitimate son of a disgraced ducal line, destined to be a hostage in a barbaric land. Stripped of his magic and his throne, he must navigate a world vastly different from the one he ruled, facing political machinations and a resurgent monster threat. But the embers of his past life still burn, and Ian will not surrender his legacy. He will reclaim his name, his magic, and perhaps, even his empire.

21st century superstar Jian Nai’s friend encountered a scumbag who cheated money from people. As soon as the other party walked away, his friend became the laughing stock of the entire entertainment circle overnight!

Jian Nai immediately decided to take revenge on behalf of his friend, preparing to make the scumbag pay the price for playing with other’s feelings and then dump him!

Jian Nai : “Baby, I just got off work, and you?”

The other party : “Just finished the battle with the invading army.”

Jian Nai : “Honey, I will cook for you in the kitchen. What do you like to eat?”

The other party : “Nutrition solution.”

“… …”

Getting along for a while, he finally dumped the other party and said he was just playing around. After saying the harsh words, he realised– it’s over, he copied the wrong ID!

Not only did he add the wrong person, the other party was not even a person from Earth at all!

- Description from Novelupdates

When Ye Mo suddenly woke up, he realized that everything around him seemed to have changed: He has been transmigrated into the modern Earth where spiritual energy is scarce. His pretty master from his former world was nowhere to be seen. Most importantly, he found himself in the body of a young man who has been abandoned by his clan for an embarrassing reason…

- Description from Novelupdates

In Japan of 1992, just after the economic bubble burst, society's public safety began to deteriorate. Xu Tianze finds himself transmigrated into the body of a detective named Aoyama Hidenobu, and the moment he opens his eyes, he discovers himself bound up tightly...Entering the new century, a prestigious magazine proclaimed that although Japan has lost a decade since the 90s, they gained a legendary figure like Aoyama Hidenobu.Regarding this, some Japanese nationals expressed: 'Damn it! We'd rather lose another 100 years than have this traitor to our country!'This book is also known as 'This Tokyo is Somewhat Hot.'PS: The protagonist is a rascal, acting with contempt, decisive in killing and fighting, purely for the thrill, not for the faint-hearted.