Time Flies Like a Dog - S1.E10

In the library's anteroom, they find Natsuno's stalker Hotaru Fujimaki--her classmate Hami Osawa. 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."