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.
but I solve the crime 
with a child's abilities.
لكنّني أحلُّ مُلابسات الجرائم بمقدرات طفل
aber ich löse jeden Fall
mit meinen Fähigkeiten.
pero resuelvo el crimen 
con habilidades de niño.
pero resuelvo el crimen 
con habilidades de niño.
résoudre une affaire
est pour moi un jeu d’enfant !
e risolvo delitti con le abilità di un bambino.
mas resolvo o caso com 
minhas habilidades de criança.