In the library's anteroom, they find Natsuno's stalker Fujimaki Hotaru--her classmate Osawa Hami.
She and Kazuhito had once exchanged promises--that she would become an author and he would be her first reader. Having become an author, Hami returned to see Kazuhito. "Welcome home, Kazuhito-kun."
but Kazuhito-kun and I 
were the only ones who
aber du und ich sind
die Einzigen, die wissen,
pero Kazuhito-kun y yo 
éramos los únicos que
mas Kazuhito-kun e eu éramos
 os únicos que