Ryuken has been murdered! If they want to get their student ID, the three brothers must find the true culprit. When Ryuken and Yuria take a tumble down the stairs together, they accidentally switch bodies. The strange situation is complicated even further when Shin arrives... Thouzer and his gang make their passionate singing debut as Nanto DE5MEN's first single is unveiled.
Who could kill the principal 
in that short a time?
إن فكَّرنا بأشخاص قادرين على قتل
المدير خلال تلك الفترة القصيرة
Es muss jemand sein,
der den Rektor in kurzer Zeit töten kann …
Si piensan en alguien que 
pudiera matarlo en tan poco tiempo,
Si pensáis en alguien que 
pudiera matarlo en tan poco tiempo,
Pour arriver à le tuer
en si peu de temps,
Se si pensa a chi avrebbe potuto ucciderlo 
in un così breve lasso di tempo,
Se mataram o diretor num 
espaço tão curto de tempo,