Lin's friend, Airi, is being stalked. The three brothers immediately come to her aid, saying they'll take care of the stalker. They sneakily follow Airi around and soon find out it's not just a stalker that follows Airi around...
Go straight, right, left, right, left,
Ve derecho, luego derecha, 
izquierda, derecha, izquierda
Ve recto, luego derecha, 
izquierda, derecha, izquierda
Siga direto, vire à direita,
 esquerda, direita, esquerda,