It was originally built by the Osagawara clan, which was appointed to govern Awa domain.

In 1585, Toyotomi Hideyoshi started a campaign against Chosokabe Motochika and his clan.

Toyotomi Hidenaga, the younger brother, led 40,000 soldiers to lay siege to the castle.

After initially attacking it, they then moved to destroy the water source for the castle.

[5][6] Presently, most of the remains of the castle that still stand currently are some bailey walls, and stairs.