Hajime has been given a three-day suspension due to beating Jyugo at the New Year’s Tournament. Momoko orders Kenshirou, Kiji, and Samon to take turns covering for Hajime.
But Uno, Nico, and Rock do whatever they want as usual. 
The three supervisors constantly struggle to maintain order with the three troublemakers.
Finally, after three days, Jyugo is back...
Number 15 is not in the infirmary.
.الرّقم 15 ليس في المستوصف
Nummer 15 hält sich auf
der Krankenstation auf.
El número 15 no está
en la enfermería.
El número 15 no está
en la enfermería.
Nº 15 n’est pas à l’infirmerie,
vous savez.
Numero 15 non è in infermeria.
O nº 15 não está na enfermaria.
Пятнадцатого номера нет в медпункте.