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...
At this rate, we'll never figure 
out who the stalker is.
A este paso, nunca sabremos 
quién es el acosador.
A este paso, nunca sabremos 
quién es el acosador.
Assim, nunca descobriremos quem é o stalker.