Release that Witch
Other Name: Buông em phù thủy kia ra / Fàng kāi nàgè nǚwū / RTW / 放开那个女巫 / 마녀 사용설명서

Genre: novel, Romance, Mystery, Action, Adventure, Drama, Fantasy, Mature, Seinen, Supernatural
Country: China Mainland
Author: Er Mu, 二目
Year: 2016
Chapter: Chapter 1,498 End
Related story: Release that Witch (放开那个女巫) is a complete Chinese web novel created by Er Mu (二目), published by Qidian

Summary:
Cheng Yan transmigrated only to end up in a medieval Europe like world, becoming Roland, a Royal Prince. But this world doesn’t seem to be the same as his former world, despite some similarities. Witches are real and they actually can use magic?

Follow Roland’s battle for the throne against his siblings. Will he be able to win, even though the king already declared him to be a hopeless case and with the worst starting situation? With his knowledge of modern technologies and the help of the witches, who are known as devils’ servants and are hunted by the the Holy Church, he might have a fighting chance.