The Rational Detective in Detective Conan - Chapter 24: Your Son is My Son Now

She was the most arrogant assassin in the world in the twenty-first century, yet in the end, she was unintentionally killed by her senior brother, resulting in her traveling to Bingzhou continent. The first step after she opened her eyes was to crawl out of the fecal drain and throw the woman who schemed her into the fecal drain. However, at this critical moment, she met a cold and arrogant beautiful man. Looking at his disdainful expression … She would always remember the words of this proud and aloof man. “Once my beloved wife has my child, I will seize Ming You Nation’s land for you and our son!”

- Description from Novelupdates

Su Bai unexpectedly finds himself traversing into a world where urban dramas collide, bound by a mysterious system.Upon arriving at Shuxiang Yaju, he happens upon Song Qian, who is awkwardly stuck in a doorway. Without hesitation, Su Bai comes to her rescue from behind, freeing her.From that moment on, their relationship takes an unexpected turn, and before they know it, the two inadvertently find themselves wandering into a tangled web.Just as they become ensnared in one another’s company, they are caught—by none other than Tong Wenjie from Chunfeng.Blushing furiously, Song Qian stammers, “Wenjie, let me explain…”Wenjie smirks, “Explain what? I want in too!”Pei Yin interjects coyly, “Su Bai, don’t you think you should be fair? If you’re tutoring Teacher Song, I’d like the same treatment…”Nuo Lan teases, “Do these stockings look good with my dress?”Gu Jia sobs, “You’re so capable… I can’t help it!”Jiang Nansun calls out, “Su Bai!”And there are more: Xu Hongdou, Zhuge Dali, Wan Yu, Jiang Lai, Qiao Jingjing…

There’s the so called class transfer.

Among the high school students that were given cheat abilities, Kirishima Ran was given 『Underling Training』for some reason, a skill that can make a woman a slave.

Ran who was driven out by the kingdom using an absurd reason will make use of the given skill freely to take revenge on his classmates, release his desires (This is mainly the reason), and fight off the world’s system.

It’s a story of him using his wonderful skill making his classmates turn to an obedient cute and lewd slave.

Park Moonsoo worked REALLLLLLY hard in life before dying.