In the twilight of the Tokugawa shogunate, the 13th shogun Iesada had a fragile constitution. In hopes of ensuring a sturdier heir, he ends up marrying the feisty and hearty daughter of the Shimazu clan, Atsuhime!
And so, Edo castle was handed 
over to the new government.
Y así el castillo de Edo pasó
a manos del nuevo gobierno.
E assim o castelo de Edo foi
entregue para o novo governo.