A student of Taurus Academy, considered an outcast due to her common birth. When Firiel meets her, she is reprimanded by the student council for being nice to a "servant". Cisaria worships the Star Queen, her biggest wish being to serve in her court. After overhearing them conspiring against the Star Queen, Cisaria sends several anonymous threats to the student council of Taurus Academy, going so far as to murder Roselitte as a threat.