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...
maybe Misaki's condition 
wouldn't have worsened?
es probable que la salud de 
Misaki no hubiese empeorado.
es probable que la salud de 
Misaki no hubiese empeorado.
talvez a condição dela
 não tivesse piorado...