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."
Osawa Style Writing 
Technique, Brionac.
la Técnica de Escritura 
del Estilo Osawa, Brionac.
Estilo Osawa de Técnica 
de Escrita, Brionac.