Tonegawa attends a class reunion where he hopes to see what's become of the classmates he always held in contempt. Meanwhile, Ootsuki's latest excursion is threatened when he gets unexpectedly sick.
Doing this creates an improvised humidifier!
!يعطي هذا مرطّبًا مرتجلًا
Fertig ist der
improvisierte Luftbefeuchter!
Eso crea un humidificador improvisado.
Eso crea un humidificador improvisado.
Et voilà, c’est tout !
L’humidificateur d’air est prêt !
In questo modo si costruisce
un umidificatore improvvisato!
Com isso, é possível fazer
um umidificador improvisado!
и получится импровизированный 
увлажнитель!