How is a door related to Korean myths?
Munjeon Bonpuri: The Munjeon Bonpuri (Korean: 문전본풀이 ) is meaning 'Annals of the Door', 'Book of the Door', 'Narration of the Door' or 'Explanation of the Door', is a myth of Jeju Island, explaining how many of the Gasin, or deities believed to reside within the house. Munjeon Bonpuri:  It is one of the better-known myths of the Korean Peninsula. Door: A door is a moving mechanism used to block off, and allow access to, an entrance to or within an enclosed space, such as a building, room or vehicle. Door:  The main purpose of a door is to control physical access.
The Munjeon Bonpuri (Korean: 문전본풀이 ) is meaning 'Annals of the Door', 'Book of the Door', 'Narration of the Door' or 'Explanation of the Door