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.
Yuria! I came to return this, 
so please let me into your office!
يوريا، أتيتُ لإعادة هذه، لِذا اسمحي
لي بالدخول إلى مكتبكِ رجاء
Julia! Ich bring dir das zurück,
lass mich bitte rein!
¡Yuria, vine a devolver esto! 
¡Déjame entrar a la enfermería!
¡Yuria, vine a devolver esto! 
¡Déjame entrar en la enfermería!
Julia! Ti ho riportato questo, 
fammi entrare in infermeria!
Yuria! Vim te devolver isto,
 deixa eu entrar na enfermaria!