Sequel to Zero's Familiar.
Louise and Saito are all still undercover at the Charming Fairy Inn when they get some bad news: Queen Henrietta is missing! With their relationship on the rocks, Louise and Saito each decide to help Henrietta in their own way. Louise teams up with a serious, noble-hating Chevalier named Agnes and pieces together clues about the conspirarcy to take Henrietta's throne. Meanwhile, Saito finds a more intimate way to help the queen...
(C) Yukari Higa, Noboru Yamaguchi / Media Factory, Inc.