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...
How is this harassing him if we don't?
¿Cómo vamos a molestarlo 
si no hacemos esto?
¡¿Cómo vamos a molestarlo 
si no hacemos esto?!
Não conseguem nem ser malignos?