The Ichijodani Castle ruins is promoting a Sengoku Time Slip. People dressed in Sengoku clothing selling vegetables at the open air museum. Ichijodani was the home of the Asakura family. Nobunaga burned the place to hell in 1573. That being said, the Ichijodani ruins is one of best Sengoku open air museums in Japan. You can learn a lot how people lived during the Sengoku Era.