某一日,巨型涅墨西斯袭击了村子, 为了拯救世界彻底消除涅墨西斯,赛特下定决心去寻找传说中涅墨西斯巢穴地, 在旅途中赛特不断的遇到新的伙伴与新的强敌不断的成长。
系统工程师缺席的无可挑剔的证明;小学老师制定的完美谋杀计划;拿破仑在犯罪世界制造的密室谋杀案。。。几起几乎被视为自杀和事故的死亡案件,最终都没有逃过她的注意。
Tanaka Tetsuro is excited at getting a full scholarship at a new high school, far away from his family. What he does not know is that he will be the only boy in an all girl school, and that there is a girl head-over-heels in love with him, waiting for his arrival. But his special friendship with the very cute and dynamic Asuka also causes him to get into a lot of trouble with the powerful student council leadership, as they are at open war with Asuka and her five friends, a group of super amazon warriors called the Koi Koi Seven.