螺旋回廊

Yuuji Saeki, is an assistant teacher at a university. His students convince him to buy a computer and he buys an expensive one even though he knows nothing about how to use them. While learning how to operate it, he finds a link to a website called Eden. Visiting there he sees that its about abducting girls, rape and worse... And the site claims that they take personal orders... [Translated from Getchu]