Reika isn't just a high school student; she's also the military's secret ninja agent. Transferring to Seiou Academy is part of her mission to locate a person of interest. It just so happens to be her sister...

The continent of Halkeginia is tumultuous--a place where the various kingdoms, princedoms, dukedoms, and fiefdoms strive against each other to expand their domains. They nobility scheme and plot among...