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.
If you have a kid, that's what he'll be like.
تعلمُ ما يحدث بعد إنجاب الأطفال
Wenn du mal Kinder hast,
weißt du Bescheid.
Sabes lo que pasa después de tener hijos.
Sabes lo que pasa después de tener hijos.
Quand tu auras un enfant,
il sera pareil.
Lo sai come sono i bambini.
Quando você tiver 
filhos, vai entender.