大神社姫 daijinjahime

大神社姫　dai_jinja_hime = "Big Shrine's Princess" ,japan

This is a monster of 20 feet in the total length that appears in Echigo's coast. This is a sacred creature, and it is said that some prophecies are left and it leaves. The rumor of such "Prophesied Creature" became popular very much in the end in Edo period.