After making an evil grin, the magician then said "A game? Seems quite interesting——" The game was boldly announced. "I hereby declare a student amongst us is going to be chosen as a sacrifice. " After the confusing announcement becomes reality, Emerald University, the place where this tale takes place is brought into chaos. Suspicion, horror, frenzy is rapidly spreading. However a beautiful female magician with her ingenious magical tricks is here to unravel the mysteries. The game is also heading towards an unanticipated ending. A reasoning fiction imitative magical tale——tricksters. (Source: Back cover of the novel)

A school girl named Eri is magically summoned by a magician named Rex, intent on doing some scientific research observing people from different worlds. Instead of being terrified about her current situation, Eri manages to secure Rex’s promise to summon her again every week. After all, being in a magical world is a lot more exciting than life as a school girl. (Source: MU)

Loved by men and despised by women, University student Otonashi Karen is a major "burikko" (two-faced, usually nicer to boys) whose love for Takeda Gunji can't be denied. This two-book series shows how far Karen is willing to go, to get Gunji to fall in love with her.