With the school field trip over and entrance exams approaching, the seniors are passing on their positions. As the Discipline Committee finishes its transition meeting, a student reports a special item missing. Can they solve the mystery?
The First Lost Item
Detective Squad is now formed!
Die allererste Detektiv-Gruppe
zur Suche nach Fundstücken ist eröffnet!
¡Seremos los primeros detectives
de objetos perdidos!
¡Seremos los primeros detectives
de objetos perdidos!
J’inaugure la première mission
du groupe de détectives.
Fondiamo la prima squadra di investigazione 
per gli oggetti smarriti!
Formação do primeiro
grupo de investigação!
Первое сыскное агентство потерянных вещей
объявляю открытым!