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."
Oh, I understand. 
In other words, you want to die.
Ah, hab schon verstanden,
¡Ah, entiendo! En otras 
palabras, quieres morir.
Oh, eu entendo. 
Em outras palavras, você quer morrer.