Izumo Daijingu Shrine is dedicated to Okuninushi no Mikoto, the deity of marriage and relationships in Japanese mythology. The shrine is particularly famous for its Meoto-iwa (wedded rocks) where couples tie red threads as symbols of their commitment and pray for marital harmony. With over 1,300 years of history, it has become one of Japan's most revered marriage shrines, attracting couples from across the country seeking blessings for their relationships.