The place where the Hyojyu and Kasuke lived is Yanabe. They started from Yanabe, passed in front of Nakayama, they arrived at Yanabeshinden. "Nembutsu" is thought to be "Insect Memorial Service Large Buddha" that will be held in the fall this district. "A night where the shadow of the moon behind the two people heading to the east after autumn evening" may be "Harvest moon". Gon is shot by Hyojyu on the next day. "It had been raining for two or three days straight." at the beginning of the story is about "Autumn rain". "A Fox Named Gon" is the current calendar, it is thought that it is a story about one month from the beginning of September to the beginning of October. (2018.6.17 Wen Lee)