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?
--This whole thing was my fault.
If Kuresawa says anything to you--
Ich hab jetzt zu viel gesagt.
Also wenn er dich anspricht, dann …
Yo tuve la culpa por confirmarlo,
La culpa es mía por confirmarlo,
C’est ma faute, s’il est au courant.
È colpa mia se ora sa certe cose.
Ele soube disso por culpa minha.
Извини, из-за меня 
в итоге всё вскрылось…