在6000多年前的古代世界，天地分离的悲惨战争仍在继续，无能为力的人类被各种强大的种族推向了灭绝的边缘。就在这时，人类的年轻领袖里克偶然遇到了基凯族的女孩Hubby。被同伴抛弃后，Hubby让Rick告诉自己“人类的心”，以解决这个问题。
这是一部轻小说风格的低幻想类型的作品。它的世界氛围受到了Alice Soft的游戏《Night》的影响がるる 的强大影响力。机械魔法扫帚，如枪手扫帚和女巫之刃，已经成为作品的标志性物品。这款游戏通过在与TRPG无关的杂志上连载官方回放，并使用配音演员在网络广播上发布情报，逐渐受到欢迎。其衍生作品包括PC上同名的成人游戏，以及计划于2008年在PS2上发布的AVG游戏。自2007年6月起，Fami Tong PLAYSTATION+也连载了与本作相关的漫画《可变女巫》。这部由哈尔电影制作公司制作的动画连接了第一版和第二版，于2007年10月开播。
Sewoon Shopping Center, the first to distribute pornographic tapes in Qingxichuan! That's where people's erotic stories begin. That year was 1996. Kyeong tae filmed an illegal video with pornographic actor Pan sub in the Sewoon shopping area of Qingxi Street. They met Joo ri who was about to work for an adult agency in Macau with a pornographic film. Kyeong tae and Pan sub are excited that they have the opportunity to win a large sum of money. Kyeong tae handed over a tape to Hyeong soo, who was the source and distributor of their goods, while Hyeong soo signed an agreement without her knowledge and used all the money she had previously saved to sign a contract. Moneylander Soboro discovered and raided the filming site, taking all of Kyeong tae's money and demanding that he pay the remaining amount within three days. As the deadline for the contract approached and three days approached, Qing Tai borrowed money from Hyeong soo, who gave him a Japanese version of a snuff movie and offered him a deal. He accepted without a doubt, but found himself fooled and decided to join the gang. Then he replaced the props and knives on the set with real ones...
