
"In 1448, Joseon invented a top secret weapon, singijoen."
During the reign of King Sejong in the 15th century, the Joseon Dynasty was the embodiment of the perfect state. To the Ming China, the aspiring imperial power, Joseon presented an obstacle to territorial expansion. To protect themselves from war, King Sejong develops a secret weapon to defend their territory and take back their land and supremacy.
Seol-joo

Hong-ri

Chang-gang

King Sejong

Pan-soo

In-ha

Hong Man

In Ha

Yu Bong

Sa Ma-seon
Kkya Oh Ryung

Bang Ok

Mu-saeng
Oh Cho

Bong Gu
Researcher

Researcher
