トワイライト

The protagonist belongs to the dark cult of magic-users. Not long ago sister Christa betrayed the cult and was eliminated. But there is a possibility that she got some disciples among students of monastery school somewhere in Transylvania, where she was a teacher.
The protagonist set off to that academy to find and brainwash potential disciples of sister Christa and erase her legacy once and for all.

This novel has omnibus structure. The reader can choose one of the six independent scenarios, each dedicated to one of potentional disciples.