Retrieve the ticking time bomb planted in classroom 5-1 at once! Taiyou finds himself suddenly entrusted with this top secret mission. The fate of his classmates is in Taiyou's hands! The bomb's location is... inside Akane's locker?!
I-It says he read it, but he hasn't replied.
صباح الخير. ماذا تفعل الآن؟
Guten Morgen.

Was machst du gerade?
Takada
 Buenos días
¿Qué haces?
BONJOUR
QU’EST-CE QUE TU FAIS ?
La notifica di lettura c'è,
ma non ha ancora risposto.
T-Tá marcado como lida,
mas nada de resposta ainda.
Сказано «прочитано», но он не отвечает.