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 Discipline Committee has formed
the "First Lost Item Detective Squad,"
Wir sind die allererste Detektiv-Gruppe
zur Suche nach Fundstücken.
Fundamos los "detectives
de objetos perdidos"
Hemos fundado los "detectives
de objetos perdidos"
C’est la première mission
du groupe de détectives.
Il comitato disciplinare al completo ha formato 
una squadra per la ricerca oggetti smarriti
Fizemos a primeira
equipe de investigação,
Мы открыли первое сыскное агентство
потерянных вещей.