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...
Whose arm is that?
¿De quién es ese brazo?
¡¿De quién es ese brazo?!
De quem é esse braço?