Kinokoinu

Kinokoinu meets Hino-kun and his son, Toshi, at the park. Toshi is a huge fan of Kinokoinu and asks for its autograph. Hotaru decides to join Ayumi to visit his family's grave, where Hanako is buried.

Hotaru visits his family's grave with Ayumi and Kinokoinu by the beach. Hotaru remembers that Grandma was the one who found Kinokoinu and brought it to the yard.

Hotaru finds Grandma's diary and reads about her first encounter with Kinokoinu. The diary gets damaged in the rain so not much is revealed. Kinokoinu remembers Grandma asking it to help Hotaru when he feels sad and lonely.