Kurara shows up at the Shinkis' home asking for their assistance in catching a thief that has been stealing Shinki units. As Hina decides to accompany her, they tail a suspicious person to a Shinki store. Meanwhile, the master is taken in for questioning, prompting Ann, Ines and Lene to set off in order to clear his name. Noticing he is being watched, the suspicious person activates two Shinki, Ach and Yda, against Hina and Kurara...