Tetsu comes and asks the Sket-dan to meet with someone in his place. It seems like a sickly girl who he was exchanging messages with under a false persona wants to come see him...
And what are you so preoccupied with?
¿Qué estás haciendo con tanta paciencia?
¿En qué andas tan ocupado?
E por que você 
está tão preocupado?